feat(Core/Time): Implement saparated manager for game time (#8630)

128 files changed, 1133 insertions, 817 deletions

diff --git a/src/common/Cryptography/TOTP.cpp b/src/common/Cryptography/TOTP.cpp
index d1f66b99d5..937285bc97 100644
--- a/src/common/Cryptography/TOTP.cpp
+++ b/src/common/Cryptography/TOTP.cpp
@@ -1,9 +1,22 @@
 /*
- * Copyright (C) 2016+  AzerothCore <www.azerothcore.org>, released under GNU AGPL v3 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-AGPL3
- * Copyright (C) 2021+  WarheadCore <https://github.com/WarheadCore>
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by the
+ * Free Software Foundation; either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "TOTP.h"
+#include "Timer.h"
 #include <openssl/evp.h>
 #include <openssl/hmac.h>
 
@@ -34,7 +47,7 @@ static constexpr uint32 HMAC_RESULT_SIZE = 20;
 
 /*static*/ bool Acore::Crypto::TOTP::ValidateToken(Secret const& secret, uint32 token)
 {
-    time_t now = time(nullptr);
+    time_t now = GetEpochTime().count();
     return (
         (token == GenerateToken(secret, now - TOTP_INTERVAL)) ||
         (token == GenerateToken(secret, now)) ||
diff --git a/src/common/Logging/AppenderFile.cpp b/src/common/Logging/AppenderFile.cpp
index 493f9ff9c5..280b5e8bd5 100644
--- a/src/common/Logging/AppenderFile.cpp
+++ b/src/common/Logging/AppenderFile.cpp
@@ -19,7 +19,7 @@
 #include "Log.h"
 #include "LogMessage.h"
 #include "StringConvert.h"
-#include "Util.h"
+#include "Timer.h"
 #include <algorithm>
 
 AppenderFile::AppenderFile(uint8 id, std::string const& name, LogLevel level, AppenderFlags flags, std::vector<std::string_view> const& args) :
@@ -127,7 +127,7 @@ FILE* AppenderFile::OpenFile(std::string const& filename, std::string const& mod
         CloseFile();
         std::string newName(fullName);
         newName.push_back('.');
-        newName.append(LogMessage::getTimeStr(time(nullptr)));
+        newName.append(LogMessage::getTimeStr(GetEpochTime()));
         std::replace(newName.begin(), newName.end(), ':', '-');
         rename(fullName.c_str(), newName.c_str()); // no error handling... if we couldn't make a backup, just ignore
     }
diff --git a/src/common/Logging/LogMessage.cpp b/src/common/Logging/LogMessage.cpp
index 28f8e82ba5..56b6cb4750 100644
--- a/src/common/Logging/LogMessage.cpp
+++ b/src/common/Logging/LogMessage.cpp
@@ -20,18 +20,18 @@
 #include "Timer.h"
 
 LogMessage::LogMessage(LogLevel _level, std::string const& _type, std::string&& _text)
-    : level(_level), type(_type), text(std::forward<std::string>(_text)), mtime(time(nullptr))
+    : level(_level), type(_type), text(std::forward<std::string>(_text)), mtime(GetEpochTime())
 {
 }
 
 LogMessage::LogMessage(LogLevel _level, std::string const& _type, std::string&& _text, std::string&& _param1)
-    : level(_level), type(_type), text(std::forward<std::string>(_text)), param1(std::forward<std::string>(_param1)), mtime(time(nullptr))
+    : level(_level), type(_type), text(std::forward<std::string>(_text)), param1(std::forward<std::string>(_param1)), mtime(GetEpochTime())
 {
 }
 
-std::string LogMessage::getTimeStr(time_t time)
+std::string LogMessage::getTimeStr(Seconds time)
 {
-    return Acore::Time::TimeToTimestampStr(Seconds(time), "%Y-%m-%d %X");
+    return Acore::Time::TimeToTimestampStr(time, "%Y-%m-%d %X");
 }
 
 std::string LogMessage::getTimeStr() const
diff --git a/src/common/Logging/LogMessage.h b/src/common/Logging/LogMessage.h
index 55fe027039..11bbba53d8 100644
--- a/src/common/Logging/LogMessage.h
+++ b/src/common/Logging/LogMessage.h
@@ -19,8 +19,8 @@
 #define LogMessage_h__
 
 #include "Define.h"
+#include "Duration.h"
 #include "LogCommon.h"
-#include <ctime>
 #include <string>
 
 struct LogMessage
@@ -31,7 +31,7 @@ struct LogMessage
     LogMessage(LogMessage const& /*other*/) = delete;
     LogMessage& operator=(LogMessage const& /*other*/) = delete;
 
-    static std::string getTimeStr(time_t time);
+    static std::string getTimeStr(Seconds time);
     std::string getTimeStr() const;
 
     LogLevel const level;
@@ -39,7 +39,7 @@ struct LogMessage
     std::string const text;
     std::string prefix;
     std::string param1;
-    time_t mtime;
+    Seconds mtime;
 
     ///@ Returns size of the log message content in bytes
     uint32 Size() const
diff --git a/src/common/Utilities/SFMTRand.cpp b/src/common/Utilities/SFMTRand.cpp
index 21147145b2..fccd41aab8 100644
--- a/src/common/Utilities/SFMTRand.cpp
+++ b/src/common/Utilities/SFMTRand.cpp
@@ -16,8 +16,8 @@
  */
 
 #include "SFMTRand.h"
+#include "Timer.h"
 #include <array>
-#include <ctime>
 #include <functional>
 #include <random>
 
@@ -69,7 +69,7 @@ SFMTRand::SFMTRand()
     }
     else
     {
-        sfmt_init_gen_rand(&_state, uint32(time(nullptr)));
+        sfmt_init_gen_rand(&_state, uint32(GetEpochTime().count()));
     }
 }
 
diff --git a/src/common/Utilities/Timer.h b/src/common/Utilities/Timer.h
index 5e2d190599..505b238276 100644
--- a/src/common/Utilities/Timer.h
+++ b/src/common/Utilities/Timer.h
@@ -76,7 +76,7 @@ inline TimePoint GetApplicationStartTime()
 {
     using namespace std::chrono;
 
-    static const steady_clock::time_point ApplicationStartTime = steady_clock::now();
+    static const TimePoint ApplicationStartTime = steady_clock::now();
 
     return ApplicationStartTime;
 }
diff --git a/src/server/database/Logging/AppenderDB.cpp b/src/server/database/Logging/AppenderDB.cpp
index d227416ac8..1bf9f08296 100644
--- a/src/server/database/Logging/AppenderDB.cpp
+++ b/src/server/database/Logging/AppenderDB.cpp
@@ -32,7 +32,7 @@ void AppenderDB::_write(LogMessage const* message)
         return;
 
     LoginDatabasePreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_INS_LOG);
-    stmt->setUInt64(0, message->mtime);
+    stmt->setUInt64(0, message->mtime.count());
     stmt->setUInt32(1, realmId);
     stmt->setString(2, message->type);
     stmt->setUInt8(3, uint8(message->level));
diff --git a/src/server/game/AI/ScriptedAI/ScriptedCreature.cpp b/src/server/game/AI/ScriptedAI/ScriptedCreature.cpp
index bfad7890d4..325b35ea35 100644
--- a/src/server/game/AI/ScriptedAI/ScriptedCreature.cpp
+++ b/src/server/game/AI/ScriptedAI/ScriptedCreature.cpp
@@ -18,6 +18,7 @@
 #include "ScriptedCreature.h"
 #include "Cell.h"
 #include "CellImpl.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "GridNotifiersImpl.h"
 #include "ObjectMgr.h"
@@ -493,9 +494,10 @@ bool ScriptedAI::EnterEvadeIfOutOfCombatArea()
     if (me->IsInEvadeMode() || !me->IsInCombat())
         return false;
 
-    if (_evadeCheckCooldown == time(nullptr))
+    if (_evadeCheckCooldown == GameTime::GetGameTime().count())
         return false;
-    _evadeCheckCooldown = time(nullptr);
+
+    _evadeCheckCooldown = GameTime::GetGameTime().count();
 
     if (!CheckEvadeIfOutOfCombatArea())
         return false;
diff --git a/src/server/game/Achievements/AchievementMgr.cpp b/src/server/game/Achievements/AchievementMgr.cpp
index 469344f04e..cd57be9d66 100644
--- a/src/server/game/Achievements/AchievementMgr.cpp
+++ b/src/server/game/Achievements/AchievementMgr.cpp
@@ -29,6 +29,7 @@
 #include "DatabaseEnv.h"
 #include "DisableMgr.h"
 #include "GameEventMgr.h"
+#include "GameTime.h"
 #include "GridNotifiersImpl.h"
 #include "Guild.h"
 #include "GuildMgr.h"
@@ -423,7 +424,7 @@ bool AchievementCriteriaData::Meets(uint32 criteria_id, Player const* source, Un
             birthday_tm.tm_year += birthday_login.nth_birthday;
 
             time_t birthday = mktime(&birthday_tm);
-            time_t now = sWorld->GetGameTime();
+            time_t now = GameTime::GetGameTime().count();
             return now <= birthday + DAY && now >= birthday;
         }
         case ACHIEVEMENT_CRITERIA_DATA_TYPE_S_KNOWN_TITLE:
@@ -648,7 +649,7 @@ void AchievementMgr::LoadFromDB(PreparedQueryResult achievementResult, PreparedQ
                 continue;
             }
 
-            if (criteria->timeLimit && time_t(date + criteria->timeLimit) < time(nullptr))
+            if (criteria->timeLimit && time_t(date + criteria->timeLimit) < GameTime::GetGameTime().count())
                 continue;
 
             CriteriaProgress& progress = m_criteriaProgress[id];
@@ -726,7 +727,7 @@ void AchievementMgr::SendAchievementEarned(AchievementEntry const* achievement)
     WorldPacket data(SMSG_ACHIEVEMENT_EARNED, 8 + 4 + 8);
     data << GetPlayer()->GetPackGUID();
     data << uint32(achievement->ID);
-    data.AppendPackedTime(time(nullptr));
+    data.AppendPackedTime(GameTime::GetGameTime().count());
     data << uint32(0);
     GetPlayer()->SendMessageToSetInRange(&data, sWorld->getFloatConfig(CONFIG_LISTEN_RANGE_SAY), true);
 }
@@ -1002,13 +1003,13 @@ void AchievementMgr::UpdateAchievementCriteria(AchievementCriteriaTypes type, ui
                 }
             case ACHIEVEMENT_CRITERIA_TYPE_COMPLETE_DAILY_QUEST_DAILY:
                 {
-                    time_t nextDailyResetTime = sWorld->GetNextDailyQuestsResetTime();
+                    Seconds nextDailyResetTime = sWorld->GetNextDailyQuestsResetTime();
                     CriteriaProgress* progress = GetCriteriaProgress(achievementCriteria);
 
                     if (!miscValue1) // Login case.
                     {
                         // reset if player missed one day.
-                        if (progress && progress->date < (nextDailyResetTime - 2 * DAY))
+                        if (progress && Seconds(progress->date) < (nextDailyResetTime - 2_days))
                             SetCriteriaProgress(achievementCriteria, 0, PROGRESS_SET);
                         continue;
                     }
@@ -1017,10 +1018,10 @@ void AchievementMgr::UpdateAchievementCriteria(AchievementCriteriaTypes type, ui
                     if (!progress)
                         // 1st time. Start count.
                         progressType = PROGRESS_SET;
-                    else if (progress->date < (nextDailyResetTime - 2 * DAY))
+                    else if (Seconds(progress->date) < (nextDailyResetTime - 2_days))
                         // last progress is older than 2 days. Player missed 1 day => Retart count.
                         progressType = PROGRESS_RESET;
-                    else if (progress->date < (nextDailyResetTime - DAY))
+                    else if (Seconds(progress->date) < (nextDailyResetTime - 1_days))
                         // last progress is between 1 and 2 days. => 1st time of the day.
                         progressType = PROGRESS_ACCUMULATE;
                     else
@@ -2075,7 +2076,7 @@ void AchievementMgr::SetCriteriaProgress(AchievementCriteriaEntry const* entry,
     }
 
     progress->changed = true;
-    progress->date = time(nullptr); // set the date to the latest update.
+    progress->date = GameTime::GetGameTime().count(); // set the date to the latest update.
 
     uint32 timeElapsed = 0;
     bool timedCompleted = false;
@@ -2198,7 +2199,7 @@ void AchievementMgr::CompletedAchievement(AchievementEntry const* achievement)
 
     SendAchievementEarned(achievement);
     CompletedAchievementData& ca = m_completedAchievements[achievement->ID];
-    ca.date = time(nullptr);
+    ca.date = GameTime::GetGameTime().count();
     ca.changed = true;
 
     sScriptMgr->OnAchievementComplete(GetPlayer(), achievement);
@@ -2419,20 +2420,20 @@ bool AchievementGlobalMgr::IsRealmCompleted(AchievementEntry const* achievement)
     if (itr == m_allCompletedAchievements.end())
         return false;
 
-    if (itr->second == std::chrono::system_clock::time_point::min())
+    if (itr->second == SystemTimePoint::min())
         return false;
 
     if (!sScriptMgr->IsRealmCompleted(this, achievement, itr->second))
         return false;
 
-    if (itr->second == std::chrono::system_clock::time_point::max())
+    if (itr->second == SystemTimePoint::max())
         return true;
 
     // Allow completing the realm first kill for entire minute after first person did it
     // it may allow more than one group to achieve it (highly unlikely)
     // but apparently this is how blizz handles it as well
     if (achievement->flags & ACHIEVEMENT_FLAG_REALM_FIRST_KILL)
-        return (std::chrono::system_clock::now() - itr->second) > std::chrono::minutes(1);
+        return (GameTime::GetSystemTime() - itr->second) > 1min;
 
     sScriptMgr->SetRealmCompleted(achievement);
 
@@ -2444,7 +2445,7 @@ void AchievementGlobalMgr::SetRealmCompleted(AchievementEntry const* achievement
     if (IsRealmCompleted(achievement))
         return;
 
-    m_allCompletedAchievements[achievement->ID] = std::chrono::system_clock::now();
+    m_allCompletedAchievements[achievement->ID] = GameTime::GetSystemTime();
 }
 
 //==========================================================
@@ -2771,7 +2772,7 @@ void AchievementGlobalMgr::LoadCompletedAchievements()
     for (uint32 i = 0; i < sAchievementStore.GetNumRows(); ++i)
         if (AchievementEntry const* achievement = sAchievementStore.LookupEntry(i))
             if (achievement->flags & (ACHIEVEMENT_FLAG_REALM_FIRST_REACH | ACHIEVEMENT_FLAG_REALM_FIRST_KILL))
-                m_allCompletedAchievements[achievement->ID] = std::chrono::system_clock::time_point::min();
+                m_allCompletedAchievements[achievement->ID] = SystemTimePoint::min();
 
     if (!result)
     {
@@ -2799,7 +2800,7 @@ void AchievementGlobalMgr::LoadCompletedAchievements()
             continue;
         }
         else if (achievement->flags & (ACHIEVEMENT_FLAG_REALM_FIRST_REACH | ACHIEVEMENT_FLAG_REALM_FIRST_KILL))
-            m_allCompletedAchievements[achievementId] =  std::chrono::system_clock::time_point::max();
+            m_allCompletedAchievements[achievementId] =  SystemTimePoint::max();
     } while (result->NextRow());
 
     LOG_INFO("server.loading", ">> Loaded %lu completed achievements in %u ms", (unsigned long)m_allCompletedAchievements.size(), GetMSTimeDiffToNow(oldMSTime));
diff --git a/src/server/game/Achievements/AchievementMgr.h b/src/server/game/Achievements/AchievementMgr.h
index 8cd66c66d8..f385078a91 100644
--- a/src/server/game/Achievements/AchievementMgr.h
+++ b/src/server/game/Achievements/AchievementMgr.h
@@ -400,7 +400,7 @@ private:
     // store achievements by referenced achievement id to speed up lookup
     AchievementListByReferencedId m_AchievementListByReferencedId;
 
-    typedef std::unordered_map<uint32 /*achievementId*/, std::chrono::system_clock::time_point /*completionTime*/> AllCompletedAchievements;
+    typedef std::unordered_map<uint32 /*achievementId*/, SystemTimePoint /*completionTime*/> AllCompletedAchievements;
     AllCompletedAchievements m_allCompletedAchievements;
 
     AchievementRewards m_achievementRewards;
diff --git a/src/server/game/Addons/AddonMgr.cpp b/src/server/game/Addons/AddonMgr.cpp
index c24933cd13..a5267a886e 100644
--- a/src/server/game/Addons/AddonMgr.cpp
+++ b/src/server/game/Addons/AddonMgr.cpp
@@ -19,13 +19,11 @@
 #include "DatabaseEnv.h"
 #include "Log.h"
 #include "Timer.h"
-
 #include <list>
 #include <openssl/md5.h>
 
 namespace AddonMgr
 {
-
     // Anonymous namespace ensures file scope of all the stuff inside it, even
     // if you add something more to this namespace somewhere else.
     namespace
diff --git a/src/server/game/AuctionHouse/AuctionHouseMgr.cpp b/src/server/game/AuctionHouse/AuctionHouseMgr.cpp
index 0f79d2fdca..fb924202f1 100644
--- a/src/server/game/AuctionHouse/AuctionHouseMgr.cpp
+++ b/src/server/game/AuctionHouse/AuctionHouseMgr.cpp
@@ -18,15 +18,16 @@
 #include "AuctionHouseMgr.h"
 #include "AccountMgr.h"
 #include "AsyncAuctionListing.h"
-#include "AvgDiffTracker.h"
 #include "Common.h"
 #include "DBCStores.h"
 #include "DatabaseEnv.h"
+#include "GameTime.h"
 #include "Item.h"
 #include "Logging/Log.h"
 #include "ObjectMgr.h"
 #include "Player.h"
 #include "ScriptMgr.h"
+#include "UpdateTime.h"
 #include "World.h"
 #include "WorldPacket.h"
 #include <vector>
@@ -345,7 +346,7 @@ void AuctionHouseMgr::SendAuctionSalePendingMail(AuctionEntry* auction, Characte
         uint32 deliveryDelay = sWorld->getIntConfig(CONFIG_MAIL_DELIVERY_DELAY);
 
         ByteBuffer timePacker;
-        timePacker.AppendPackedTime(time_t(time(nullptr) + deliveryDelay));
+        timePacker.AppendPackedTime(GameTime::GetGameTime().count() + time_t(deliveryDelay));
 
         if (sendMail) // can be changed in the hook
             MailDraft(auction->BuildAuctionMailSubject(AUCTION_SALE_PENDING),
@@ -650,7 +651,7 @@ bool AuctionHouseObject::RemoveAuction(AuctionEntry* auction)
 
 void AuctionHouseObject::Update()
 {
-    time_t checkTime = sWorld->GetGameTime() + 60;
+    time_t checkTime = GameTime::GetGameTime().count() + 60;
     ///- Handle expired auctions
 
     // If storage is empty, no need to update. next == nullptr in this case.
@@ -743,7 +744,7 @@ bool AuctionHouseObject::BuildListAuctionItems(WorldPacket& data, Player* player
     }
     else
     {
-        time_t curTime = sWorld->GetGameTime();
+        auto curTime = GameTime::GetGameTime();
 
         int loc_idx = player->GetSession()->GetSessionDbLocaleIndex();
         int locdbc_idx = player->GetSession()->GetSessionDbcLocale();
@@ -754,7 +755,7 @@ bool AuctionHouseObject::BuildListAuctionItems(WorldPacket& data, Player* player
             {
                 if ((itrcounter++) % 100 == 0) // check condition every 100 iterations
                 {
-                    if (avgDiffTracker.getAverage() >= 30 || getMSTimeDiff(World::GetGameTimeMS(), getMSTime()) >= 10) // pussywizard: stop immediately if diff is high or waiting too long
+                    if (sWorldUpdateTime.GetAverageUpdateTime() >= 30 || GetMSTimeDiff(GameTime::GetGameTimeMS(), GetTimeMS()) >= 10ms) // pussywizard: stop immediately if diff is high or waiting too long
                     {
                         return false;
                     }
@@ -763,7 +764,7 @@ bool AuctionHouseObject::BuildListAuctionItems(WorldPacket& data, Player* player
 
             AuctionEntry* Aentry = itr->second;
             // Skip expired auctions
-            if (Aentry->expire_time < curTime)
+            if (Aentry->expire_time < curTime.count())
             {
                 continue;
             }
@@ -948,7 +949,7 @@ bool AuctionEntry::BuildAuctionInfo(WorldPacket& data) const
     data << uint32(bid ? GetAuctionOutBid() : 0);
     // Minimal outbid
     data << uint32(buyout);                                         // Auction->buyout
-    data << uint32((expire_time - time(nullptr)) * IN_MILLISECONDS); // time left
+    data << uint32((expire_time - GameTime::GetGameTime().count()) * IN_MILLISECONDS); // time left
     data << bidder;                                                 // auction->bidder current
     data << uint32(bid);                                            // current bid
     return true;
diff --git a/src/server/game/Battlefield/Battlefield.cpp b/src/server/game/Battlefield/Battlefield.cpp
index aacc39bbc2..211c3dfcb0 100644
--- a/src/server/game/Battlefield/Battlefield.cpp
+++ b/src/server/game/Battlefield/Battlefield.cpp
@@ -20,6 +20,7 @@
 #include "CellImpl.h"
 #include "CreatureTextMgr.h"
 #include "GameGraveyard.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "GridNotifiersImpl.h"
 #include "Group.h"
@@ -86,7 +87,7 @@ void Battlefield::HandlePlayerEnterZone(Player* player, uint32 /*zone*/)
             else // No more vacant places
             {
                 // TODO: Send a packet to announce it to player
-                m_PlayersWillBeKick[player->GetTeamId()][player->GetGUID()] = time(nullptr) + (player->IsGameMaster() ? 30 * MINUTE : 10);
+                m_PlayersWillBeKick[player->GetTeamId()][player->GetGUID()] = GameTime::GetGameTime().count() + (player->IsGameMaster() ? 30 * MINUTE : 10);
                 InvitePlayerToQueue(player);
             }
         }
@@ -176,7 +177,7 @@ bool Battlefield::Update(uint32 diff)
         // Kick players who chose not to accept invitation to the battle
         if (m_uiKickDontAcceptTimer <= diff)
         {
-            time_t now = time(nullptr);
+            time_t now = GameTime::GetGameTime().count();
             for (int team = 0; team < 2; team++)
                 for (PlayerTimerMap::iterator itr = m_InvitedPlayers[team].begin(); itr != m_InvitedPlayers[team].end(); ++itr)
                     if (itr->second <= now)
@@ -261,7 +262,7 @@ void Battlefield::InvitePlayersInZoneToWar()
                 if (m_PlayersInWar[player->GetTeamId()].size() + m_InvitedPlayers[player->GetTeamId()].size() < m_MaxPlayer)
                     InvitePlayerToWar(player);
                 else if (m_PlayersWillBeKick[player->GetTeamId()].count(player->GetGUID()) == 0)// Battlefield is full of players
-                    m_PlayersWillBeKick[player->GetTeamId()][player->GetGUID()] = time(nullptr) + 10;
+                    m_PlayersWillBeKick[player->GetTeamId()][player->GetGUID()] = GameTime::GetGameTime().count() + 10;
             }
         }
 }
@@ -285,7 +286,7 @@ void Battlefield::InvitePlayerToWar(Player* player)
     if (player->getLevel() < m_MinLevel)
     {
         if (m_PlayersWillBeKick[player->GetTeamId()].count(player->GetGUID()) == 0)
-            m_PlayersWillBeKick[player->GetTeamId()][player->GetGUID()] = time(nullptr) + 10;
+            m_PlayersWillBeKick[player->GetTeamId()][player->GetGUID()] = GameTime::GetGameTime().count() + 10;
         return;
     }
 
@@ -294,7 +295,7 @@ void Battlefield::InvitePlayerToWar(Player* player)
         return;
 
     m_PlayersWillBeKick[player->GetTeamId()].erase(player->GetGUID());
-    m_InvitedPlayers[player->GetTeamId()][player->GetGUID()] = time(nullptr) + m_TimeForAcceptInvite;
+    m_InvitedPlayers[player->GetTeamId()][player->GetGUID()] = GameTime::GetGameTime().count() + m_TimeForAcceptInvite;
     player->GetSession()->SendBfInvitePlayerToWar(m_BattleId, m_ZoneId, m_TimeForAcceptInvite);
 }
 
diff --git a/src/server/game/Battlefield/BattlefieldHandler.cpp b/src/server/game/Battlefield/BattlefieldHandler.cpp
index 6108e3ab47..5fcbd2b2b8 100644
--- a/src/server/game/Battlefield/BattlefieldHandler.cpp
+++ b/src/server/game/Battlefield/BattlefieldHandler.cpp
@@ -17,6 +17,7 @@
 
 #include "Battlefield.h"
 #include "BattlefieldMgr.h"
+#include "GameTime.h"
 #include "ObjectMgr.h"
 #include "Opcodes.h"
 #include "Player.h"
@@ -33,7 +34,7 @@ void WorldSession::SendBfInvitePlayerToWar(uint32 BattleId, uint32 ZoneId, uint3
     WorldPacket data(SMSG_BATTLEFIELD_MGR_ENTRY_INVITE, 12);
     data << uint32(BattleId);
     data << uint32(ZoneId);
-    data << uint32((time(nullptr) + p_time));
+    data << uint32((GameTime::GetGameTime().count() + p_time));
 
     //Sending the packet to player
     SendPacket(&data);
diff --git a/src/server/game/Battlefield/Zones/BattlefieldWG.cpp b/src/server/game/Battlefield/Zones/BattlefieldWG.cpp
index 08939dab59..c13bb08045 100644
--- a/src/server/game/Battlefield/Zones/BattlefieldWG.cpp
+++ b/src/server/game/Battlefield/Zones/BattlefieldWG.cpp
@@ -20,6 +20,7 @@
 // TODO: Add proper implement of achievement
 
 #include "BattlefieldWG.h"
+#include "GameTime.h"
 #include "MapMgr.h"
 #include "Opcodes.h"
 #include "Player.h"
@@ -76,8 +77,9 @@ bool BattlefieldWG::SetupBattlefield()
     SetGraveyardNumber(BATTLEFIELD_WG_GRAVEYARD_MAX);
 
     // Load from db
-    if ((sWorld->getWorldState(BATTLEFIELD_WG_WORLD_STATE_ACTIVE) == 0) && (sWorld->getWorldState(BATTLEFIELD_WG_WORLD_STATE_DEFENDER) == 0)
-            && (sWorld->getWorldState(ClockWorldState[0]) == 0))
+    if (!sWorld->getWorldState(BATTLEFIELD_WG_WORLD_STATE_ACTIVE) &&
+        !sWorld->getWorldState(BATTLEFIELD_WG_WORLD_STATE_DEFENDER) &&
+        !sWorld->getWorldState(ClockWorldState[0]))
     {
         sWorld->setWorldState(BATTLEFIELD_WG_WORLD_STATE_ACTIVE, uint64(false));
         sWorld->setWorldState(BATTLEFIELD_WG_WORLD_STATE_DEFENDER, uint64(urand(0, 1)));
@@ -889,7 +891,7 @@ void BattlefieldWG::FillInitialWorldStates(WorldPacket& data)
     data << uint32(BATTLEFIELD_WG_WORLD_STATE_SHOW_WORLDSTATE) << uint32(IsWarTime() ? 1 : 0);
 
     for (uint32 i = 0; i < 2; ++i)
-        data << ClockWorldState[i] << uint32(time(nullptr) + (m_Timer / 1000));
+        data << ClockWorldState[i] << uint32(GameTime::GetGameTime().count() + (m_Timer / 1000));
 
     data << uint32(BATTLEFIELD_WG_WORLD_STATE_VEHICLE_H) << uint32(GetData(BATTLEFIELD_WG_DATA_VEHICLE_H));
     data << uint32(BATTLEFIELD_WG_WORLD_STATE_MAX_VEHICLE_H) << GetData(BATTLEFIELD_WG_DATA_MAX_VEHICLE_H);
diff --git a/src/server/game/Battlegrounds/BattlegroundMgr.cpp b/src/server/game/Battlegrounds/BattlegroundMgr.cpp
index 496dc3bed2..c03be4c81d 100644
--- a/src/server/game/Battlegrounds/BattlegroundMgr.cpp
+++ b/src/server/game/Battlegrounds/BattlegroundMgr.cpp
@@ -36,6 +36,7 @@
 #include "Formulas.h"
 #include "GameEventMgr.h"
 #include "GameGraveyard.h"
+#include "GameTime.h"
 #include "Map.h"
 #include "MapMgr.h"
 #include "ObjectMgr.h"
@@ -138,11 +139,11 @@ void BattlegroundMgr::Update(uint32 diff)
     {
         if (m_AutoDistributionTimeChecker < diff)
         {
-            if (time(nullptr) > m_NextAutoDistributionTime)
+            if (GameTime::GetGameTime() > m_NextAutoDistributionTime)
             {
                 sArenaTeamMgr->DistributeArenaPoints();
-                m_NextAutoDistributionTime = m_NextAutoDistributionTime + BATTLEGROUND_ARENA_POINT_DISTRIBUTION_DAY * sWorld->getIntConfig(CONFIG_ARENA_AUTO_DISTRIBUTE_INTERVAL_DAYS);
-                sWorld->setWorldState(WS_ARENA_DISTRIBUTION_TIME, uint64(m_NextAutoDistributionTime));
+                m_NextAutoDistributionTime = m_NextAutoDistributionTime + 1_days * sWorld->getIntConfig(CONFIG_ARENA_AUTO_DISTRIBUTE_INTERVAL_DAYS);
+                sWorld->setWorldState(WS_ARENA_DISTRIBUTION_TIME, m_NextAutoDistributionTime.count());
             }
             m_AutoDistributionTimeChecker = 600000; // 10 minutes check
         }
@@ -631,16 +632,21 @@ void BattlegroundMgr::InitAutomaticArenaPointDistribution()
     if (!sWorld->getBoolConfig(CONFIG_ARENA_AUTO_DISTRIBUTE_POINTS))
         return;
 
-    time_t wstime = time_t(sWorld->getWorldState(WS_ARENA_DISTRIBUTION_TIME));
-    time_t curtime = time(nullptr);
+    Seconds wstime = Seconds(sWorld->getWorldState(WS_ARENA_DISTRIBUTION_TIME));
+    Seconds curtime = GameTime::GetGameTime();
+
     LOG_INFO("server.loading", "Initializing Automatic Arena Point Distribution");
+
     if (wstime < curtime)
     {
-        m_NextAutoDistributionTime = curtime;           // reset will be called in the next update
+        m_NextAutoDistributionTime = curtime; // reset will be called in the next update
         LOG_INFO("server.loading", "Next arena point distribution time in the past, reseting it now.");
     }
     else
+    {
         m_NextAutoDistributionTime = wstime;
+    }
+
     LOG_INFO("server.loading", "Automatic Arena Point Distribution initialized.");
 }
 
@@ -1012,10 +1018,10 @@ void BattlegroundMgr::InviteGroupToBG(GroupQueueInfo* ginfo, Battleground* bg, T
     if (bg->isArena() && bg->isRated())
         bg->SetArenaTeamIdForTeam(ginfo->teamId, ginfo->ArenaTeamId);
 
-    ginfo->RemoveInviteTime = World::GetGameTimeMS() + INVITE_ACCEPT_WAIT_TIME;
+    ginfo->RemoveInviteTime = GameTime::GetGameTimeMS().count() + INVITE_ACCEPT_WAIT_TIME;
 
     // loop through the players
-    for (auto itr : ginfo->Players)
+    for (auto& itr : ginfo->Players)
     {
         // get the player
         Player* player = ObjectAccessor::FindConnectedPlayer(itr);
diff --git a/src/server/game/Battlegrounds/BattlegroundMgr.h b/src/server/game/Battlegrounds/BattlegroundMgr.h
index 41c007ae4a..d650af31cf 100644
--- a/src/server/game/Battlegrounds/BattlegroundMgr.h
+++ b/src/server/game/Battlegrounds/BattlegroundMgr.h
@@ -32,8 +32,6 @@ typedef Battleground* (*bgRef)(Battleground*);
 typedef void(*bgMapRef)(WorldPacket*, Battleground::BattlegroundScoreMap::const_iterator);
 typedef void(*bgTypeRef)(WorldPacket*, Battleground::BattlegroundScoreMap::const_iterator, Battleground*);
 
-#define BATTLEGROUND_ARENA_POINT_DISTRIBUTION_DAY 86400 // how many seconds in day
-
 struct CreateBattlegroundData
 {
     BattlegroundTypeId bgTypeId;
@@ -155,7 +153,7 @@ private:
     bool   m_ArenaTesting;
     bool   m_Testing;
     uint32 m_lastClientVisibleInstanceId;
-    time_t m_NextAutoDistributionTime;
+    Seconds m_NextAutoDistributionTime;
     uint32 m_AutoDistributionTimeChecker;
     uint32 m_NextPeriodicQueueUpdateTime;
     BattleMastersMap mBattleMastersMap;
diff --git a/src/server/game/Battlegrounds/BattlegroundQueue.cpp b/src/server/game/Battlegrounds/BattlegroundQueue.cpp
index eaa7985177..bef951aca9 100644
--- a/src/server/game/Battlegrounds/BattlegroundQueue.cpp
+++ b/src/server/game/Battlegrounds/BattlegroundQueue.cpp
@@ -22,6 +22,7 @@
 #include "BattlegroundSpamProtect.h"
 #include "Channel.h"
 #include "Chat.h"
+#include "GameTime.h"
 #include "Group.h"
 #include "Language.h"
 #include "Log.h"
@@ -138,7 +139,7 @@ GroupQueueInfo* BattlegroundQueue::AddGroup(Player* leader, Group* grp, PvPDiffi
     ginfo->ArenaTeamId                  = arenateamid;
     ginfo->IsRated                      = isRated;
     ginfo->IsInvitedToBGInstanceGUID    = 0;
-    ginfo->JoinTime                     = World::GetGameTimeMS();
+    ginfo->JoinTime                     = GameTime::GetGameTimeMS().count();
     ginfo->RemoveInviteTime             = 0;
     ginfo->teamId                       = leader->GetTeamId();
     ginfo->RealTeamID                   = leader->GetTeamId(true);
@@ -205,7 +206,7 @@ GroupQueueInfo* BattlegroundQueue::AddGroup(Player* leader, Group* grp, PvPDiffi
 
 void BattlegroundQueue::PlayerInvitedToBGUpdateAverageWaitTime(GroupQueueInfo* ginfo)
 {
-    uint32 timeInQueue = std::max<uint32>(1, getMSTimeDiff(ginfo->JoinTime, World::GetGameTimeMS()));
+    uint32 timeInQueue = std::max<uint32>(1, getMSTimeDiff(ginfo->JoinTime, GameTime::GetGameTimeMS().count()));
 
     // team_index: bg alliance - TEAM_ALLIANCE, bg horde - TEAM_HORDE, arena skirmish - TEAM_ALLIANCE, arena rated - TEAM_HORDE
     uint8 team_index;
@@ -570,7 +571,7 @@ bool BattlegroundQueue::CheckPremadeMatch(BattlegroundBracketId bracket_id, uint
     // this happens if timer has expired or group size lowered
 
     uint32 premade_time = sWorld->getIntConfig(CONFIG_BATTLEGROUND_PREMADE_GROUP_WAIT_FOR_MATCH);
-    uint32 time_before = World::GetGameTimeMS() >= premade_time ? World::GetGameTimeMS() - premade_time : 0;
+    uint32 time_before = GameTime::GetGameTimeMS().count() >= premade_time ? GameTime::GetGameTimeMS().count() - premade_time : 0;
 
     for (uint32 i = 0; i < BG_TEAMS_COUNT; i++)
         if (!m_QueuedGroups[bracket_id][BG_QUEUE_PREMADE_ALLIANCE + i].empty())
@@ -797,7 +798,7 @@ void BattlegroundQueue::BattlegroundQueueUpdate(uint32 diff, BattlegroundBracket
     {
         // pussywizard: everything inside this section is mine, do NOT destroy!
 
-        const uint32 currMSTime = World::GetGameTimeMS();
+        const uint32 currMSTime = GameTime::GetGameTimeMS().count();
         const uint32 discardTime = sBattlegroundMgr->GetRatingDiscardTimer();
         const uint32 maxDefaultRatingDifference = (MaxPlayersPerTeam > 2 ? 300 : 200);
         const uint32 maxCountedMMR = 2500;
diff --git a/src/server/game/Battlegrounds/BattlegroundSpamProtect.cpp b/src/server/game/Battlegrounds/BattlegroundSpamProtect.cpp
index aef85048b8..2105960aa8 100644
--- a/src/server/game/Battlegrounds/BattlegroundSpamProtect.cpp
+++ b/src/server/game/Battlegrounds/BattlegroundSpamProtect.cpp
@@ -17,6 +17,7 @@
 
 #include "BattlegroundSpamProtect.h"
 #include "Battleground.h"
+#include "GameTime.h"
 #include "ObjectGuid.h"
 #include "Player.h"
 #include "World.h"
@@ -27,7 +28,7 @@ namespace
 
     void AddTime(ObjectGuid guid)
     {
-        _players.insert_or_assign(guid, sWorld->GetGameTime());
+        _players.insert_or_assign(guid, GameTime::GetGameTime().count());
     }
 
     uint32 GetTime(ObjectGuid guid)
@@ -44,7 +45,7 @@ namespace
     bool IsCorrectDelay(ObjectGuid guid)
     {
         // Skip if spam time < 30 secs (default)
-        return sWorld->GetGameTime() - GetTime(guid) >= sWorld->getIntConfig(CONFIG_BATTLEGROUND_QUEUE_ANNOUNCER_SPAM_DELAY);
+        return GameTime::GetGameTime().count() - GetTime(guid) >= sWorld->getIntConfig(CONFIG_BATTLEGROUND_QUEUE_ANNOUNCER_SPAM_DELAY);
     }
 }
 
diff --git a/src/server/game/Battlegrounds/Zones/BattlegroundEY.cpp b/src/server/game/Battlegrounds/Zones/BattlegroundEY.cpp
index 40898644d4..5af09724d3 100644
--- a/src/server/game/Battlegrounds/Zones/BattlegroundEY.cpp
+++ b/src/server/game/Battlegrounds/Zones/BattlegroundEY.cpp
@@ -19,6 +19,7 @@
 #include "BattlegroundMgr.h"
 #include "Creature.h"
 #include "GameGraveyard.h"
+#include "GameTime.h"
 #include "Language.h"
 #include "ObjectMgr.h"
 #include "Player.h"
@@ -66,7 +67,7 @@ void BattlegroundEY::PostUpdateImpl(uint32 diff)
                         AddPoints(TEAM_ALLIANCE, BG_EY_TickPoints[_ownedPointsCount[TEAM_ALLIANCE] - 1]);
                     if (_ownedPointsCount[TEAM_HORDE] > 0)
                         AddPoints(TEAM_HORDE, BG_EY_TickPoints[_ownedPointsCount[TEAM_HORDE] - 1]);
-                    _bgEvents.ScheduleEvent(BG_EY_EVENT_ADD_POINTS, BG_EY_FPOINTS_TICK_TIME - (World::GetGameTimeMS() % BG_EY_FPOINTS_TICK_TIME));
+                    _bgEvents.ScheduleEvent(BG_EY_EVENT_ADD_POINTS, BG_EY_FPOINTS_TICK_TIME - (GameTime::GetGameTimeMS().count() % BG_EY_FPOINTS_TICK_TIME));
                     break;
                 case BG_EY_EVENT_FLAG_ON_GROUND:
                     RespawnFlagAfterDrop();
@@ -76,7 +77,7 @@ void BattlegroundEY::PostUpdateImpl(uint32 diff)
                     break;
                 case BG_EY_EVENT_CHECK_CPOINTS:
                     UpdatePointsState();
-                    _bgEvents.ScheduleEvent(BG_EY_EVENT_CHECK_CPOINTS, BG_EY_FPOINTS_CHECK_TIME - (World::GetGameTimeMS() % BG_EY_FPOINTS_CHECK_TIME));
+                    _bgEvents.ScheduleEvent(BG_EY_EVENT_CHECK_CPOINTS, BG_EY_FPOINTS_CHECK_TIME - (GameTime::GetGameTimeMS().count() % BG_EY_FPOINTS_CHECK_TIME));
                     break;
             }
     }
diff --git a/src/server/game/Battlegrounds/Zones/BattlegroundIC.cpp b/src/server/game/Battlegrounds/Zones/BattlegroundIC.cpp
index 3c9388c06b..71f5b8d051 100644
--- a/src/server/game/Battlegrounds/Zones/BattlegroundIC.cpp
+++ b/src/server/game/Battlegrounds/Zones/BattlegroundIC.cpp
@@ -19,6 +19,7 @@
 #include "Battleground.h"
 #include "GameGraveyard.h"
 #include "GameObject.h"
+#include "GameTime.h"
 #include "Language.h"
 #include "ObjectMgr.h"
 #include "Player.h"
@@ -139,7 +140,7 @@ void BattlegroundIC::PostUpdateImpl(uint32 diff)
                             {
                                 // Check if creature respawn time is properly saved
                                 RespawnMap::iterator itr = respawnMap.find(catapult->GetGUID());
-                                if (itr == respawnMap.end() || time(nullptr) < itr->second)
+                                if (itr == respawnMap.end() || GameTime::GetGameTime().count() < itr->second)
                                     continue;
 
                                 catapult->Relocate(BG_IC_DocksVehiclesCatapults[j].GetPositionX(), BG_IC_DocksVehiclesCatapults[j].GetPositionY(), BG_IC_DocksVehiclesCatapults[j].GetPositionZ(), BG_IC_DocksVehiclesCatapults[j].GetOrientation());
@@ -157,7 +158,7 @@ void BattlegroundIC::PostUpdateImpl(uint32 diff)
                             {
                                 // Check if creature respawn time is properly saved
                                 RespawnMap::iterator itr = respawnMap.find(glaiveThrower->GetGUID());
-                                if (itr == respawnMap.end() || time(nullptr) < itr->second)
+                                if (itr == respawnMap.end() || GameTime::GetGameTime().count() < itr->second)
                                     continue;
 
                                 glaiveThrower->Relocate(BG_IC_DocksVehiclesGlaives[j].GetPositionX(), BG_IC_DocksVehiclesGlaives[j].GetPositionY(), BG_IC_DocksVehiclesGlaives[j].GetPositionZ(), BG_IC_DocksVehiclesGlaives[j].GetOrientation());
@@ -186,7 +187,7 @@ void BattlegroundIC::PostUpdateImpl(uint32 diff)
                         {
                             // Check if creature respawn time is properly saved
                             RespawnMap::iterator itr = respawnMap.find(siege->GetGUID());
-                            if (itr == respawnMap.end() || time(nullptr) < itr->second)
+                            if (itr == respawnMap.end() || GameTime::GetGameTime().count() < itr->second)
                                 continue;
 
                             siege->Relocate(BG_IC_WorkshopVehicles[4].GetPositionX(), BG_IC_WorkshopVehicles[4].GetPositionY(), BG_IC_WorkshopVehicles[4].GetPositionZ(), BG_IC_WorkshopVehicles[4].GetOrientation());
@@ -203,7 +204,7 @@ void BattlegroundIC::PostUpdateImpl(uint32 diff)
                             {
                                 // Check if creature respawn time is properly saved
                                 RespawnMap::iterator itr = respawnMap.find(demolisher->GetGUID());
-                                if (itr == respawnMap.end() || time(nullptr) < itr->second)
+                                if (itr == respawnMap.end() || GameTime::GetGameTime().count() < itr->second)
                                     continue;
 
                                 demolisher->Relocate(BG_IC_WorkshopVehicles[u].GetPositionX(), BG_IC_WorkshopVehicles[u].GetPositionY(), BG_IC_WorkshopVehicles[u].GetPositionZ(), BG_IC_WorkshopVehicles[u].GetOrientation());
@@ -532,7 +533,7 @@ void BattlegroundIC::HandleKillUnit(Creature* unit, Player* killer)
         // Xinef: Add to respawn list
         if (entry == NPC_DEMOLISHER || entry == NPC_SIEGE_ENGINE_H || entry == NPC_SIEGE_ENGINE_A ||
                 entry == NPC_GLAIVE_THROWER_A || entry == NPC_GLAIVE_THROWER_H || entry == NPC_CATAPULT)
-            respawnMap[unit->GetGUID()] = time(nullptr) + VEHICLE_RESPAWN_TIME;
+            respawnMap[unit->GetGUID()] = GameTime::GetGameTime().count() + VEHICLE_RESPAWN_TIME;
     }
 }
 
@@ -890,7 +891,7 @@ void BattlegroundIC::HandleCapturedNodes(ICNodePoint* nodePoint, bool recapture)
                                 if (!siegeVehicle->IsVehicleInUse())
                                     Unit::Kill(siegeEngine, siegeEngine);
 
-                        respawnMap[siegeEngine->GetGUID()] = time(nullptr) + VEHICLE_RESPAWN_TIME;
+                        respawnMap[siegeEngine->GetGUID()] = GameTime::GetGameTime().count() + VEHICLE_RESPAWN_TIME;
                     }
                 }
 
diff --git a/src/server/game/Battlegrounds/Zones/BattlegroundSA.cpp b/src/server/game/Battlegrounds/Zones/BattlegroundSA.cpp
index d812daa38d..91c76ef2e0 100644
--- a/src/server/game/Battlegrounds/Zones/BattlegroundSA.cpp
+++ b/src/server/game/Battlegrounds/Zones/BattlegroundSA.cpp
@@ -18,6 +18,7 @@
 #include "BattlegroundSA.h"
 #include "GameGraveyard.h"
 #include "GameObject.h"
+#include "GameTime.h"
 #include "Language.h"
 #include "ObjectMgr.h"
 #include "Player.h"
@@ -1087,11 +1088,11 @@ void BattlegroundSA::UpdateDemolisherSpawns()
                     // Demolisher is not in list
                     if (DemoliserRespawnList.find(i) == DemoliserRespawnList.end())
                     {
-                        DemoliserRespawnList[i] = World::GetGameTimeMS() + 30000;
+                        DemoliserRespawnList[i] = GameTime::GetGameTimeMS().count() + 30000;
                     }
                     else
                     {
-                        if (DemoliserRespawnList[i] < World::GetGameTimeMS())
+                        if (DemoliserRespawnList[i] < GameTime::GetGameTimeMS().count())
                         {
                             Demolisher->Relocate(BG_SA_NpcSpawnlocs[i][0], BG_SA_NpcSpawnlocs[i][1],
                                                  BG_SA_NpcSpawnlocs[i][2], BG_SA_NpcSpawnlocs[i][3]);
diff --git a/src/server/game/Calendar/CalendarMgr.cpp b/src/server/game/Calendar/CalendarMgr.cpp
index 1cba49541e..a2192a447f 100644
--- a/src/server/game/Calendar/CalendarMgr.cpp
+++ b/src/server/game/Calendar/CalendarMgr.cpp
@@ -16,6 +16,7 @@
  */
 
 #include "CalendarMgr.h"
+#include "GameTime.h"
 #include "GuildMgr.h"
 #include "Log.h"
 #include "ObjectAccessor.h"
@@ -24,6 +25,9 @@
 #include "QueryResult.h"
 #include <unordered_map>
 
+CalendarInvite::CalendarInvite() : _inviteId(1), _eventId(0), _statusTime(GameTime::GetGameTime().count()),
+_status(CALENDAR_STATUS_INVITED), _rank(CALENDAR_RANK_PLAYER), _text("") { }
+
 CalendarInvite::~CalendarInvite()
 {
     // Free _inviteId only if it's a real invite and not just a pre-invite or guild announcement
@@ -358,7 +362,7 @@ uint64 CalendarMgr::GetFreeInviteId()
 
 void CalendarMgr::DeleteOldEvents()
 {
-    time_t oldEventsTime = time(nullptr) - CALENDAR_OLD_EVENTS_DELETION_TIME;
+    time_t oldEventsTime = GameTime::GetGameTime().count() - CALENDAR_OLD_EVENTS_DELETION_TIME;
 
     for (CalendarEventStore::const_iterator itr = _events.begin(); itr != _events.end();)
     {
diff --git a/src/server/game/Calendar/CalendarMgr.h b/src/server/game/Calendar/CalendarMgr.h
index e853a734ec..e633b1a310 100644
--- a/src/server/game/Calendar/CalendarMgr.h
+++ b/src/server/game/Calendar/CalendarMgr.h
@@ -147,8 +147,7 @@ public:
         _text = calendarInvite.GetText();
     }
 
-    CalendarInvite() : _inviteId(1), _eventId(0), _statusTime(time(nullptr)),
-        _status(CALENDAR_STATUS_INVITED), _rank(CALENDAR_RANK_PLAYER), _text("") { }
+    CalendarInvite();
 
     CalendarInvite(uint64 inviteId, uint64 eventId, ObjectGuid invitee, ObjectGuid senderGUID, time_t statusTime,
                    CalendarInviteStatus status, CalendarModerationRank rank, std::string text) :
diff --git a/src/server/game/Chat/Channels/Channel.cpp b/src/server/game/Chat/Channels/Channel.cpp
index d91951765e..de5f7401e8 100644
--- a/src/server/game/Chat/Channels/Channel.cpp
+++ b/src/server/game/Chat/Channels/Channel.cpp
@@ -20,6 +20,7 @@
 #include "CharacterCache.h"
 #include "Chat.h"
 #include "DatabaseEnv.h"
+#include "GameTime.h"
 #include "ObjectMgr.h"
 #include "Player.h"
 #include "SocialMgr.h"
@@ -34,6 +35,7 @@ Channel::Channel(std::string const& name, uint32 channelId, uint32 channelDBId,
     _channelId(channelId),
     _channelDBId(channelDBId),
     _teamId(teamId),
+    _lastSpeakTime(0),
     _name(name),
     _password("")
 {
@@ -95,7 +97,7 @@ Channel::Channel(std::string const& name, uint32 channelId, uint32 channelDBId,
 bool Channel::IsBanned(ObjectGuid guid) const
 {
     BannedContainer::const_iterator itr = bannedStore.find(guid);
-    return itr != bannedStore.end() && itr->second > time(nullptr);
+    return itr != bannedStore.end() && itr->second > GameTime::GetGameTime().count();
 }
 
 void Channel::UpdateChannelInDB() const
@@ -208,7 +210,6 @@ void Channel::JoinChannel(Player* player, std::string const& pass)
     PlayerInfo pinfo;
     pinfo.player = guid;
     pinfo.flags = MEMBER_FLAG_NONE;
-    pinfo.lastSpeakTime = 0;
     pinfo.plrPtr = player;
 
     playersStore[guid] = pinfo;
@@ -428,8 +429,8 @@ void Channel::KickOrBan(Player const* player, std::string const& badname, bool b
     {
         if (!IsBanned(victim))
         {
-            bannedStore[victim] = time(nullptr) + CHANNEL_BAN_DURATION;
-            AddChannelBanToDB(victim, time(nullptr) + CHANNEL_BAN_DURATION);
+            bannedStore[victim] = GameTime::GetGameTime().count() + CHANNEL_BAN_DURATION;
+            AddChannelBanToDB(victim, GameTime::GetGameTime().count() + CHANNEL_BAN_DURATION);
 
             if (notify)
             {
@@ -811,9 +812,9 @@ void Channel::Say(ObjectGuid guid, std::string const& what, uint32 lang)
         else if (playersStore.size() >= 10)
             speakDelay = 5;
 
-        if (!pinfo.IsAllowedToSpeak(speakDelay))
+        if (!IsAllowedToSpeak(speakDelay))
         {
-            std::string timeStr = secsToTimeString(pinfo.lastSpeakTime + speakDelay - sWorld->GetGameTime());
+            std::string timeStr = secsToTimeString(_lastSpeakTime + speakDelay - GameTime::GetGameTime().count());
             if (_channelRights.speakMessage.length() > 0)
                 player->GetSession()->SendNotification("%s", _channelRights.speakMessage.c_str());
             player->GetSession()->SendNotification("You must wait %s before speaking again.", timeStr.c_str());
@@ -830,6 +831,17 @@ void Channel::Say(ObjectGuid guid, std::string const& what, uint32 lang)
     SendToAll(&data, pinfo.IsModerator() ? ObjectGuid::Empty : guid);
 }
 
+bool Channel::IsAllowedToSpeak(uint32 speakDelay)
+{
+    if (_lastSpeakTime + speakDelay <= GameTime::GetGameTime().count())
+    {
+        _lastSpeakTime = GameTime::GetGameTime().count();
+        return true;
+    }
+
+    return false;
+}
+
 void Channel::Invite(Player const* player, std::string const& newname)
 {
     ObjectGuid guid = player->GetGUID();
diff --git a/src/server/game/Chat/Channels/Channel.h b/src/server/game/Chat/Channels/Channel.h
index 29edff3124..96a774e8dd 100644
--- a/src/server/game/Chat/Channels/Channel.h
+++ b/src/server/game/Chat/Channels/Channel.h
@@ -150,7 +150,6 @@ class Channel
     {
         ObjectGuid player;
         uint8 flags;
-        uint64 lastSpeakTime; // pussywizard
         Player* plrPtr; // pussywizard
 
         [[nodiscard]] bool HasFlag(uint8 flag) const { return flags & flag; }
@@ -175,16 +174,6 @@ class Channel
             if (state) flags |= MEMBER_FLAG_MUTED;
             else flags &= ~MEMBER_FLAG_MUTED;
         }
-        bool IsAllowedToSpeak(uint64 speakDelay) // pussywizard
-        {
-            if (lastSpeakTime + speakDelay <= static_cast<uint64>(sWorld->GetGameTime()))
-            {
-                lastSpeakTime = sWorld->GetGameTime();
-                return true;
-            }
-            else
-                return false;
-        }
     private:
         bool _gmStatus = false;
     };
@@ -234,6 +223,7 @@ public:
     // pussywizard:
     void AddWatching(Player* p);
     void RemoveWatching(Player* p);
+    bool IsAllowedToSpeak(uint32 speakDelay); // pussywizard
 
 private:
     // initial packet data (notify type and channel name)
@@ -339,6 +329,7 @@ private:
     uint32 _channelDBId;
     TeamId _teamId;
     ObjectGuid _ownerGUID;
+    uint32 _lastSpeakTime;
     std::string _name;
     std::string _password;
     ChannelRights _channelRights;
diff --git a/src/server/game/DungeonFinding/LFG.cpp b/src/server/game/DungeonFinding/LFG.cpp
index 2277a07840..b22ece0962 100644
--- a/src/server/game/DungeonFinding/LFG.cpp
+++ b/src/server/game/DungeonFinding/LFG.cpp
@@ -21,7 +21,6 @@
 
 namespace lfg
 {
-
     std::string ConcatenateDungeons(LfgDungeonSet const& dungeons)
     {
         std::string dungeonstr = "";
diff --git a/src/server/game/DungeonFinding/LFGMgr.cpp b/src/server/game/DungeonFinding/LFGMgr.cpp
index 9b19cb369a..9eca8f0181 100644
--- a/src/server/game/DungeonFinding/LFGMgr.cpp
+++ b/src/server/game/DungeonFinding/LFGMgr.cpp
@@ -21,6 +21,7 @@
 #include "DBCStores.h"
 #include "DisableMgr.h"
 #include "GameEventMgr.h"
+#include "GameTime.h"
 #include "Group.h"
 #include "GroupMgr.h"
 #include "InstanceSaveMgr.h"
@@ -278,7 +279,7 @@ namespace lfg
 
         if (task == 0)
         {
-            time_t currTime = time(nullptr);
+            time_t currTime = GameTime::GetGameTime().count();
 
             // Remove obsolete role checks
             for (LfgRoleCheckContainer::iterator it = RoleChecksStore.begin(); it != RoleChecksStore.end();)
@@ -716,7 +717,7 @@ namespace lfg
             // Create new rolecheck
             LfgRoleCheck& roleCheck = RoleChecksStore[gguid];
             roleCheck.roles.clear(); // pussywizard: NEW rolecheck, not old one with trash data >_>
-            roleCheck.cancelTime = time_t(time(nullptr)) + LFG_TIME_ROLECHECK;
+            roleCheck.cancelTime = time_t(GameTime::GetGameTime().count()) + LFG_TIME_ROLECHECK;
             roleCheck.state = LFG_ROLECHECK_INITIALITING;
             roleCheck.leader = guid;
             roleCheck.dungeons = dungeons;
@@ -754,7 +755,7 @@ namespace lfg
             LfgRolesMap rolesMap;
             rolesMap[guid] = roles;
             LFGQueue& queue = GetQueue(guid);
-            queue.AddQueueData(guid, time(nullptr), dungeons, rolesMap);
+            queue.AddQueueData(guid, GameTime::GetGameTime().count(), dungeons, rolesMap);
 
             if (!isContinue)
             {
@@ -964,8 +965,10 @@ namespace lfg
                 m_raidBrowserUpdateTimer[team] = 0;
         }
 
-        if (getMSTimeDiff(World::GetGameTimeMS(), getMSTime()) > (70 * 7) / 5) // prevent lagging
+        if (GetMSTimeDiff(GameTime::GetGameTimeMS(), GetTimeMS()) > 98ms) // prevent lagging
+        {
             return;
+        }
 
         ObjectGuid guid, groupGuid, instanceGuid;
         uint8 level, Class, race, talents[3];
@@ -1444,7 +1447,7 @@ namespace lfg
         {
             SetState(gguid, LFG_STATE_QUEUED);
             LFGQueue& queue = GetQueue(gguid);
-            queue.AddQueueData(gguid, time_t(time(nullptr)), roleCheck.dungeons, roleCheck.roles);
+            queue.AddQueueData(gguid, time_t(GameTime::GetGameTime().count()), roleCheck.dungeons, roleCheck.roles);
             RoleChecksStore.erase(itRoleCheck);
         }
         else if (roleCheck.state != LFG_ROLECHECK_INITIALITING)
@@ -1809,7 +1812,7 @@ namespace lfg
 
         bool sendUpdate = proposal.state != LFG_PROPOSAL_SUCCESS;
         proposal.state = LFG_PROPOSAL_SUCCESS;
-        time_t joinTime = time(nullptr);
+        time_t joinTime = GameTime::GetGameTime().count();
 
         LFGQueue& queue = GetQueue(guid);
         LfgUpdateData updateData = LfgUpdateData(LFG_UPDATETYPE_GROUP_FOUND);
@@ -1987,7 +1990,7 @@ namespace lfg
 
         LfgPlayerBoot& boot = BootsStore[gguid];
         boot.inProgress = true;
-        boot.cancelTime = time_t(time(nullptr)) + LFG_TIME_BOOT;
+        boot.cancelTime = time_t(GameTime::GetGameTime().count()) + LFG_TIME_BOOT;
         boot.reason = reason;
         boot.victim = victim;
 
diff --git a/src/server/game/DungeonFinding/LFGQueue.cpp b/src/server/game/DungeonFinding/LFGQueue.cpp
index 3ca1e11876..3f9fa46fe0 100644
--- a/src/server/game/DungeonFinding/LFGQueue.cpp
+++ b/src/server/game/DungeonFinding/LFGQueue.cpp
@@ -18,6 +18,7 @@
 #include "LFGQueue.h"
 #include "Containers.h"
 #include "DBCStores.h"
+#include "GameTime.h"
 #include "Group.h"
 #include "InstanceScript.h"
 #include "LFGMgr.h"
@@ -29,6 +30,10 @@
 
 namespace lfg
 {
+    LfgQueueData::LfgQueueData() :
+        joinTime(time_t(GameTime::GetGameTime().count())), lastRefreshTime(joinTime), tanks(LFG_TANKS_NEEDED),
+        healers(LFG_HEALERS_NEEDED), dps(LFG_DPS_NEEDED) { }
+
     void LFGQueue::AddToQueue(ObjectGuid guid, bool failedProposal)
     {
         LOG_DEBUG("lfg", "ADD AddToQueue: %s, failed proposal: %u", guid.ToString().c_str(), failedProposal ? 1 : 0);
@@ -408,7 +413,7 @@ namespace lfg
             return LFG_COMPATIBILITY_PENDING;
 
         // Create a new proposal
-        proposal.cancelTime = time(nullptr) + LFG_TIME_PROPOSAL;
+        proposal.cancelTime = GameTime::GetGameTime().count() + LFG_TIME_PROPOSAL;
         proposal.state = LFG_PROPOSAL_INITIATING;
         proposal.leader.Clear();
         proposal.dungeonId = Acore::Containers::SelectRandomContainerElement(proposalDungeons);
@@ -464,7 +469,7 @@ namespace lfg
 
     void LFGQueue::UpdateQueueTimers(uint32 diff)
     {
-        time_t currTime = time(nullptr);
+        time_t currTime = GameTime::GetGameTime().count();
         bool sendQueueStatus = false;
 
         if (m_QueueStatusTimer > LFG_QUEUEUPDATE_INTERVAL)
diff --git a/src/server/game/DungeonFinding/LFGQueue.h b/src/server/game/DungeonFinding/LFGQueue.h
index efd144e804..0f5c1cab6d 100644
--- a/src/server/game/DungeonFinding/LFGQueue.h
+++ b/src/server/game/DungeonFinding/LFGQueue.h
@@ -41,8 +41,7 @@ namespace lfg
     /// Stores player or group queue info
     struct LfgQueueData
     {
-        LfgQueueData(): joinTime(time_t(time(nullptr))), lastRefreshTime(joinTime)
-        { }
+        LfgQueueData();
 
         LfgQueueData(time_t _joinTime, LfgDungeonSet  _dungeons, LfgRolesMap  _roles):
             joinTime(_joinTime), lastRefreshTime(_joinTime), tanks(LFG_TANKS_NEEDED), healers(LFG_HEALERS_NEEDED),
diff --git a/src/server/game/Entities/Corpse/Corpse.cpp b/src/server/game/Entities/Corpse/Corpse.cpp
index 70c901f1b1..a3dba1f5de 100644
--- a/src/server/game/Entities/Corpse/Corpse.cpp
+++ b/src/server/game/Entities/Corpse/Corpse.cpp
@@ -19,6 +19,7 @@
 #include "CharacterCache.h"
 #include "Common.h"
 #include "DatabaseEnv.h"
+#include "GameTime.h"
 #include "Log.h"
 #include "ObjectAccessor.h"
 #include "Opcodes.h"
@@ -30,13 +31,9 @@ Corpse::Corpse(CorpseType type) : WorldObject(type != CORPSE_BONES), m_type(type
 {
     m_objectType |= TYPEMASK_CORPSE;
     m_objectTypeId = TYPEID_CORPSE;
-
     m_updateFlag = (UPDATEFLAG_LOWGUID | UPDATEFLAG_STATIONARY_POSITION | UPDATEFLAG_POSITION);
-
     m_valuesCount = CORPSE_END;
-
-    m_time = time(nullptr);
-
+    m_time = GameTime::GetGameTime().count();
     lootRecipient = nullptr;
 }
 
@@ -195,3 +192,8 @@ bool Corpse::IsExpired(time_t t) const
     else
         return m_time < t - 3 * DAY;
 }
+
+void Corpse::ResetGhostTime()
+{
+    m_time = GameTime::GetGameTime().count();
+}
diff --git a/src/server/game/Entities/Corpse/Corpse.h b/src/server/game/Entities/Corpse/Corpse.h
index 227580a117..acd852d2b1 100644
--- a/src/server/game/Entities/Corpse/Corpse.h
+++ b/src/server/game/Entities/Corpse/Corpse.h
@@ -66,7 +66,7 @@ public:
     [[nodiscard]] ObjectGuid GetOwnerGUID() const { return GetGuidValue(CORPSE_FIELD_OWNER); }
 
     [[nodiscard]] time_t const& GetGhostTime() const { return m_time; }
-    void ResetGhostTime() { m_time = time(nullptr); }
+    void ResetGhostTime();
     [[nodiscard]] CorpseType GetType() const { return m_type; }
 
     [[nodiscard]] CellCoord const& GetCellCoord() const { return _cellCoord; }
diff --git a/src/server/game/Entities/Creature/Creature.cpp b/src/server/game/Entities/Creature/Creature.cpp
index 272a93d722..b3efbac77d 100644
--- a/src/server/game/Entities/Creature/Creature.cpp
+++ b/src/server/game/Entities/Creature/Creature.cpp
@@ -25,6 +25,7 @@
 #include "DatabaseEnv.h"
 #include "Formulas.h"
 #include "GameEventMgr.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "Group.h"
 #include "GroupMgr.h"
@@ -105,6 +106,9 @@ bool VendorItemData::RemoveItem(uint32 item_id)
     return found;
 }
 
+VendorItemCount::VendorItemCount(uint32 _item, uint32 _count)
+    : itemId(_item), count(_count), lastIncrementTime(GameTime::GetGameTime().count()) { }
+
 VendorItem const* VendorItemData::FindItemCostPair(uint32 item_id, uint32 extendedCost) const
 {
     for (VendorItemList::const_iterator i = m_items.begin(); i != m_items.end(); ++i)
@@ -165,7 +169,7 @@ bool AssistDelayEvent::Execute(uint64 /*e_time*/, uint32 /*p_time*/)
     if (Unit* victim = ObjectAccessor::GetUnit(*m_owner, m_victim))
     {
         // Initialize last damage timer if it doesn't exist
-        m_owner->SetLastDamagedTime(sWorld->GetGameTime() + MAX_AGGRO_RESET_TIME);
+        m_owner->SetLastDamagedTime(GameTime::GetGameTime().count() + MAX_AGGRO_RESET_TIME);
 
         while (!m_assistants.empty())
         {
@@ -329,7 +333,7 @@ void Creature::RemoveCorpse(bool setSpawnTime, bool skipVisibility)
     if (getDeathState() != CORPSE)
         return;
 
-    m_corpseRemoveTime = time(nullptr);
+    m_corpseRemoveTime = GameTime::GetGameTime().count();
     setDeathState(DEAD);
     RemoveAllAuras();
     if (!skipVisibility) // pussywizard
@@ -342,7 +346,7 @@ void Creature::RemoveCorpse(bool setSpawnTime, bool skipVisibility)
     // Should get removed later, just keep "compatibility" with scripts
     if (setSpawnTime)
     {
-        m_respawnTime = time(nullptr) + respawnDelay;
+        m_respawnTime = GameTime::GetGameTime().count() + respawnDelay;
         //SaveRespawnTime();
     }
 
@@ -597,7 +601,7 @@ void Creature::Update(uint32 diff)
             break;
         case DEAD:
             {
-                time_t now = time(nullptr);
+                time_t now = GameTime::GetGameTime().count();
                 if (m_respawnTime <= now)
                 {
 
@@ -606,7 +610,7 @@ void Creature::Update(uint32 diff)
                     if (!sConditionMgr->IsObjectMeetToConditions(this, conditions))
                     {
                         // Creature should not respawn, reset respawn timer. Conditions will be checked again the next time it tries to respawn.
-                        m_respawnTime = time(nullptr) + m_respawnDelay;
+                        m_respawnTime = GameTime::GetGameTime().count() + m_respawnDelay;
                         break;
                     }
 
@@ -649,7 +653,7 @@ void Creature::Update(uint32 diff)
                     }
                     else m_groupLootTimer -= diff;
                 }
-                else if (m_corpseRemoveTime <= time(nullptr))
+                else if (m_corpseRemoveTime <= GameTime::GetGameTime().count())
                 {
                     RemoveCorpse(false);
                     LOG_DEBUG("entities.unit", "Removing corpse... %u ", GetUInt32Value(OBJECT_FIELD_ENTRY));
@@ -1756,7 +1760,7 @@ bool Creature::IsInvisibleDueToDespawn() const
     if (Unit::IsInvisibleDueToDespawn())
         return true;
 
-    if (IsAlive() || m_corpseRemoveTime > time(nullptr))
+    if (IsAlive() || m_corpseRemoveTime > GameTime::GetGameTime().count())
         return false;
 
     return true;
@@ -1825,8 +1829,8 @@ void Creature::setDeathState(DeathState s, bool despawn)
     {
         _lastDamagedTime.reset();
 
-        m_corpseRemoveTime = time(nullptr) + m_corpseDelay;
-        m_respawnTime = time(nullptr) + m_respawnDelay + m_corpseDelay;
+        m_corpseRemoveTime = GameTime::GetGameTime().count() + m_corpseDelay;
+        m_respawnTime = GameTime::GetGameTime().count() + m_respawnDelay + m_corpseDelay;
 
         // always save boss respawn time at death to prevent crash cheating
         if (GetMap()->IsDungeon() || isWorldBoss() || GetCreatureTemplate()->rank >= CREATURE_ELITE_ELITE)
@@ -1957,9 +1961,9 @@ void Creature::Respawn(bool force)
         //Re-initialize reactstate that could be altered by movementgenerators
         InitializeReactState();
 
-        m_respawnedTime = sWorld->GetGameTime();
+        m_respawnedTime = GameTime::GetGameTime().count();
     }
-    m_respawnedTime = time(nullptr);
+    m_respawnedTime = GameTime::GetGameTime().count();
     // xinef: relocate notifier, fixes npc appearing in corpse position after forced respawn (instead of spawn)
     m_last_notify_position.Relocate(-5000.0f, -5000.0f, -5000.0f, 0.0f);
     UpdateObjectVisibility(false);
@@ -1982,7 +1986,7 @@ void Creature::ForcedDespawn(uint32 timeMSToDespawn, Seconds forceRespawnTimer)
 
     if (forceRespawnTimer > Seconds::zero())
     {
-        m_respawnTime = time(nullptr) + forceRespawnTimer.count();
+        m_respawnTime = GameTime::GetGameTime().count() + forceRespawnTimer.count();
         m_respawnDelay = forceRespawnTimer.count();
     }
 }
@@ -2456,7 +2460,7 @@ bool Creature::CanCreatureAttack(Unit const* victim, bool skipDistCheck) const
         return false;
 
     // cannot attack if is during 5 second grace period, unless being attacked
-    if (m_respawnedTime && (sWorld->GetGameTime() - m_respawnedTime) < 5 && victim->getAttackers().empty())
+    if (m_respawnedTime && (GameTime::GetGameTime().count() - m_respawnedTime) < 5 && victim->getAttackers().empty())
     {
         return false;
     }
@@ -2474,7 +2478,7 @@ bool Creature::CanCreatureAttack(Unit const* victim, bool skipDistCheck) const
 
         // pussywizard: don't check distance to home position if recently damaged (allow kiting away from spawnpoint!)
         // xinef: this should include taunt auras
-        if (!isWorldBoss() && (GetLastDamagedTime() > sWorld->GetGameTime() || HasAuraType(SPELL_AURA_MOD_TAUNT)))
+        if (!isWorldBoss() && (GetLastDamagedTime() > GameTime::GetGameTime().count() || HasAuraType(SPELL_AURA_MOD_TAUNT)))
             return true;
     }
 
@@ -2626,7 +2630,7 @@ void Creature::ProhibitSpellSchool(SpellSchoolMask idSchoolMask, uint32 unTimeMs
     {
         if (idSchoolMask & (1 << i))
         {
-            m_ProhibitSchoolTime[i] = World::GetGameTimeMS() + unTimeMs;
+            m_ProhibitSchoolTime[i] = GameTime::GetGameTimeMS().count() + unTimeMs;
         }
     }
 }
@@ -2637,7 +2641,7 @@ bool Creature::IsSpellProhibited(SpellSchoolMask idSchoolMask) const
     {
         if (idSchoolMask & (1 << i))
         {
-            if (m_ProhibitSchoolTime[i] >= World::GetGameTimeMS())
+            if (m_ProhibitSchoolTime[i] >= GameTime::GetGameTimeMS().count())
             {
                 return true;
             }
@@ -2651,7 +2655,7 @@ void Creature::_AddCreatureSpellCooldown(uint32 spell_id, uint16 categoryId, uin
 {
     CreatureSpellCooldown spellCooldown;
     spellCooldown.category = categoryId;
-    spellCooldown.end = World::GetGameTimeMS() + end_time;
+    spellCooldown.end = GameTime::GetGameTimeMS().count() + end_time;
     m_CreatureSpellCooldowns[spell_id] = std::move(spellCooldown);
 }
 
@@ -2697,13 +2701,13 @@ uint32 Creature::GetSpellCooldown(uint32 spell_id) const
     if (itr == m_CreatureSpellCooldowns.end())
         return 0;
 
-    return itr->second.end > World::GetGameTimeMS() ? itr->second.end - World::GetGameTimeMS() : 0;
+    return itr->second.end > GameTime::GetGameTimeMS().count() ? itr->second.end - GameTime::GetGameTimeMS().count() : 0;
 }
 
 bool Creature::HasSpellCooldown(uint32 spell_id) const
 {
     CreatureSpellCooldowns::const_iterator itr = m_CreatureSpellCooldowns.find(spell_id);
-    return (itr != m_CreatureSpellCooldowns.end() && itr->second.end > World::GetGameTimeMS());
+    return (itr != m_CreatureSpellCooldowns.end() && itr->second.end > GameTime::GetGameTimeMS().count());
 }
 
 bool Creature::HasSpell(uint32 spellID) const
@@ -2717,7 +2721,7 @@ bool Creature::HasSpell(uint32 spellID) const
 
 time_t Creature::GetRespawnTimeEx() const
 {
-    time_t now = time(nullptr);
+    time_t now = GameTime::GetGameTime().count();
 
     if (m_respawnTime > now)
         return m_respawnTime;
@@ -2783,7 +2787,7 @@ void Creature::AllLootRemovedFromCorpse()
         }
     }
 
-    time_t now = time(nullptr);
+    time_t now = GameTime::GetGameTime().count();
     if (m_corpseRemoveTime <= now)
     {
         return;
@@ -2797,7 +2801,7 @@ void Creature::AllLootRemovedFromCorpse()
     // corpse skinnable, but without skinning flag, and then skinned, corpse will despawn next update
     if (loot.loot_type == LOOT_SKINNING)
     {
-        m_corpseRemoveTime = time(nullptr);
+        m_corpseRemoveTime = GameTime::GetGameTime().count();
     }
     else
     {
@@ -2856,7 +2860,7 @@ uint32 Creature::GetVendorItemCurrentCount(VendorItem const* vItem)
 
     VendorItemCount* vCount = &*itr;
 
-    time_t ptime = time(nullptr);
+    time_t ptime = GameTime::GetGameTime().count();
 
     if (time_t(vCount->lastIncrementTime + vItem->incrtime) <= ptime)
     {
@@ -2895,7 +2899,7 @@ uint32 Creature::UpdateVendorItemCurrentCount(VendorItem const* vItem, uint32 us
 
     VendorItemCount* vCount = &*itr;
 
-    time_t ptime = time(nullptr);
+    time_t ptime = GameTime::GetGameTime().count();
 
     if (time_t(vCount->lastIncrementTime + vItem->incrtime) <= ptime)
     {
@@ -3063,7 +3067,7 @@ bool Creature::SetCanFly(bool enable, bool  /*packetOnly*/ /* = false */)
         sScriptMgr->AnticheatSetCanFlybyServer(m_movedByPlayer->ToPlayer(), enable);
 
         if (!enable)
-            m_movedByPlayer->ToPlayer()->SetFallInformation(time(nullptr), m_movedByPlayer->ToPlayer()->GetPositionZ());
+            m_movedByPlayer->ToPlayer()->SetFallInformation(GameTime::GetGameTime().count(), m_movedByPlayer->ToPlayer()->GetPositionZ());
 
         WorldPacket data(enable ? SMSG_MOVE_SET_CAN_FLY : SMSG_MOVE_UNSET_CAN_FLY, 12);
         data << GetPackGUID();
@@ -3486,3 +3490,18 @@ uint32 Creature::GetRandomId(uint32 id1, uint32 id2, uint32 id3)
     }
     return id;
 }
+
+void Creature::SetPickPocketLootTime()
+{
+    lootPickPocketRestoreTime = GameTime::GetGameTime().count() + MINUTE + GetCorpseDelay() + GetRespawnTime();
+}
+
+bool Creature::CanGeneratePickPocketLoot() const
+{
+    return (lootPickPocketRestoreTime == 0 || lootPickPocketRestoreTime < GameTime::GetGameTime().count());
+}
+
+void Creature::SetRespawnTime(uint32 respawn)
+{
+    m_respawnTime = respawn ? GameTime::GetGameTime().count() + respawn : 0;
+}
diff --git a/src/server/game/Entities/Creature/Creature.h b/src/server/game/Entities/Creature/Creature.h
index d94b2e4bd2..54e59a9bd3 100644
--- a/src/server/game/Entities/Creature/Creature.h
+++ b/src/server/game/Entities/Creature/Creature.h
@@ -219,8 +219,8 @@ public:
     [[nodiscard]] Group* GetLootRecipientGroup() const;
     [[nodiscard]] bool hasLootRecipient() const { return m_lootRecipient || m_lootRecipientGroup; }
     bool isTappedBy(Player const* player) const;                          // return true if the creature is tapped by the player or a member of his party.
-    [[nodiscard]] bool CanGeneratePickPocketLoot() const { return lootPickPocketRestoreTime == 0 || lootPickPocketRestoreTime < time(nullptr); }
-    void SetPickPocketLootTime() { lootPickPocketRestoreTime = time(nullptr) + MINUTE + GetCorpseDelay() + GetRespawnTime(); }
+    [[nodiscard]] bool CanGeneratePickPocketLoot() const;
+    void SetPickPocketLootTime();
     void ResetPickPocketLootTime() { lootPickPocketRestoreTime = 0; }
 
     void SetLootRecipient (Unit* unit, bool withGroup = true);
@@ -274,7 +274,7 @@ public:
 
     [[nodiscard]] time_t const& GetRespawnTime() const { return m_respawnTime; }
     [[nodiscard]] time_t GetRespawnTimeEx() const;
-    void SetRespawnTime(uint32 respawn) { m_respawnTime = respawn ? time(nullptr) + respawn : 0; }
+    void SetRespawnTime(uint32 respawn);
     void Respawn(bool force = false);
     void SaveRespawnTime() override;
 
diff --git a/src/server/game/Entities/Creature/CreatureData.h b/src/server/game/Entities/Creature/CreatureData.h
index 9422647a19..18734e8ba1 100644
--- a/src/server/game/Entities/Creature/CreatureData.h
+++ b/src/server/game/Entities/Creature/CreatureData.h
@@ -485,8 +485,7 @@ struct VendorItemData
 
 struct VendorItemCount
 {
-    explicit VendorItemCount(uint32 _item, uint32 _count)
-        : itemId(_item), count(_count), lastIncrementTime(time(nullptr)) {}
+    explicit VendorItemCount(uint32 _item, uint32 _count);
 
     uint32 itemId;
     uint32 count;
diff --git a/src/server/game/Entities/DynamicObject/DynamicObject.cpp b/src/server/game/Entities/DynamicObject/DynamicObject.cpp
index 0311024205..e896424579 100644
--- a/src/server/game/Entities/DynamicObject/DynamicObject.cpp
+++ b/src/server/game/Entities/DynamicObject/DynamicObject.cpp
@@ -15,6 +15,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "GridNotifiersImpl.h"
 #include "ObjectAccessor.h"
@@ -122,7 +123,7 @@ bool DynamicObject::CreateDynamicObject(ObjectGuid::LowType guidlow, Unit* caste
     SetByteValue(DYNAMICOBJECT_BYTES, 0, type);
     SetUInt32Value(DYNAMICOBJECT_SPELLID, spellId);
     SetFloatValue(DYNAMICOBJECT_RADIUS, radius);
-    SetUInt32Value(DYNAMICOBJECT_CASTTIME, World::GetGameTimeMS());
+    SetUInt32Value(DYNAMICOBJECT_CASTTIME, GameTime::GetGameTimeMS().count());
 
     if (IsWorldObject())
         setActive(true);    //must before add to map to be put in world container
diff --git a/src/server/game/Entities/GameObject/GameObject.cpp b/src/server/game/Entities/GameObject/GameObject.cpp
index 5c612dd5bd..4ac2add75a 100644
--- a/src/server/game/Entities/GameObject/GameObject.cpp
+++ b/src/server/game/Entities/GameObject/GameObject.cpp
@@ -23,6 +23,7 @@
 #include "DynamicTree.h"
 #include "GameObjectAI.h"
 #include "GameObjectModel.h"
+#include "GameTime.h"
 #include "GridNotifiersImpl.h"
 #include "Group.h"
 #include "GroupMgr.h"
@@ -461,9 +462,9 @@ void GameObject::Update(uint32 diff)
                             GameObjectTemplate const* goInfo = GetGOInfo();
                             // Bombs
                             if (goInfo->trap.type == 2)
-                                m_cooldownTime = World::GetGameTimeMS() + 10 * IN_MILLISECONDS; // Hardcoded tooltip value
+                                m_cooldownTime = GameTime::GetGameTimeMS().count() + 10 * IN_MILLISECONDS; // Hardcoded tooltip value
                             else if (GetOwner())
-                                m_cooldownTime = World::GetGameTimeMS() + goInfo->trap.startDelay * IN_MILLISECONDS;
+                                m_cooldownTime = GameTime::GetGameTimeMS().count() + goInfo->trap.startDelay * IN_MILLISECONDS;
 
                             m_lootState = GO_READY;
                             break;
@@ -471,7 +472,7 @@ void GameObject::Update(uint32 diff)
                     case GAMEOBJECT_TYPE_FISHINGNODE:
                         {
                             // fishing code (bobber ready)
-                            if (time(nullptr) > m_respawnTime - FISHING_BOBBER_READY_TIME)
+                            if (GameTime::GetGameTime().count() > m_respawnTime - FISHING_BOBBER_READY_TIME)
                             {
                                 // splash bobber (bobber ready now)
                                 Unit* caster = GetOwner();
@@ -495,7 +496,7 @@ void GameObject::Update(uint32 diff)
                         }
                     case GAMEOBJECT_TYPE_SUMMONING_RITUAL:
                         {
-                            if (World::GetGameTimeMS() < m_cooldownTime)
+                            if (GameTime::GetGameTimeMS().count() < m_cooldownTime)
                                 return;
                             GameObjectTemplate const* info = GetGOInfo();
                             if (info->summoningRitual.animSpell)
@@ -568,7 +569,7 @@ void GameObject::Update(uint32 diff)
             {
                 if (m_respawnTime > 0)                          // timer on
                 {
-                    time_t now = time(nullptr);
+                    time_t now = GameTime::GetGameTime().count();
                     if (m_respawnTime <= now)            // timer expired
                     {
                         ObjectGuid dbtableHighGuid = ObjectGuid::Create<HighGuid::GameObject>(GetEntry(), m_spawnId);
@@ -644,7 +645,7 @@ void GameObject::Update(uint32 diff)
                     GameObjectTemplate const* goInfo = GetGOInfo();
                     if (goInfo->type == GAMEOBJECT_TYPE_TRAP)
                     {
-                        if (World::GetGameTimeMS() < m_cooldownTime)
+                        if (GameTime::GetGameTimeMS().count() < m_cooldownTime)
                             break;
 
                         // Type 2 - Bomb (will go away after casting it's spell)
@@ -702,7 +703,7 @@ void GameObject::Update(uint32 diff)
                             if (goInfo->trap.spellId)
                                 CastSpell(target, goInfo->trap.spellId);
 
-                            m_cooldownTime = World::GetGameTimeMS() + (goInfo->trap.cooldown ? goInfo->trap.cooldown :  uint32(4)) * IN_MILLISECONDS; // template or 4 seconds
+                            m_cooldownTime = GameTime::GetGameTimeMS().count() + (goInfo->trap.cooldown ? goInfo->trap.cooldown :  uint32(4)) * IN_MILLISECONDS; // template or 4 seconds
 
                             if (goInfo->trap.type == 1)
                                 SetLootState(GO_JUST_DEACTIVATED);
@@ -734,11 +735,11 @@ void GameObject::Update(uint32 diff)
                 {
                     case GAMEOBJECT_TYPE_DOOR:
                     case GAMEOBJECT_TYPE_BUTTON:
-                        if (GetGOInfo()->GetAutoCloseTime() && World::GetGameTimeMS() >= m_cooldownTime)
+                        if (GetGOInfo()->GetAutoCloseTime() && GameTime::GetGameTimeMS().count() >= m_cooldownTime)
                             ResetDoorOrButton();
                         break;
                     case GAMEOBJECT_TYPE_GOOBER:
-                        if (World::GetGameTimeMS() >= m_cooldownTime)
+                        if (GameTime::GetGameTimeMS().count() >= m_cooldownTime)
                         {
                             RemoveFlag(GAMEOBJECT_FLAGS, GO_FLAG_IN_USE);
 
@@ -825,7 +826,7 @@ void GameObject::Update(uint32 diff)
                     return;
                 }
 
-                m_respawnTime = time(nullptr) + m_respawnDelayTime;
+                m_respawnTime = GameTime::GetGameTime().count() + m_respawnDelayTime;
 
                 // if option not set then object will be saved at grid unload
                 if (GetMap()->IsDungeon())
@@ -1092,7 +1093,7 @@ bool GameObject::LoadGameObjectFromDB(ObjectGuid::LowType spawnId, Map* map, boo
             m_respawnTime = GetMap()->GetGORespawnTime(m_spawnId);
 
             // ready to respawn
-            if (m_respawnTime && m_respawnTime <= time(nullptr))
+            if (m_respawnTime && m_respawnTime <= GameTime::GetGameTime().count())
             {
                 m_respawnTime = 0;
                 GetMap()->RemoveGORespawnTime(m_spawnId);
@@ -1172,9 +1173,9 @@ Unit* GameObject::GetOwner() const
 
 void GameObject::SaveRespawnTime(uint32 forceDelay)
 {
-    if (m_goData && m_goData->dbData && (forceDelay || m_respawnTime > time(nullptr)) && m_spawnedByDefault)
+    if (m_goData && m_goData->dbData && (forceDelay || m_respawnTime > GameTime::GetGameTime().count()) && m_spawnedByDefault)
     {
-        time_t respawnTime = forceDelay ? time(nullptr) + forceDelay : m_respawnTime;
+        time_t respawnTime = forceDelay ? GameTime::GetGameTime().count() + forceDelay : m_respawnTime;
         GetMap()->SaveGORespawnTime(m_spawnId, respawnTime);
     }
 }
@@ -1232,7 +1233,7 @@ bool GameObject::IsInvisibleDueToDespawn() const
 
 void GameObject::SetRespawnTime(int32 respawn)
 {
-    m_respawnTime = respawn > 0 ? time(nullptr) + respawn : 0;
+    m_respawnTime = respawn > 0 ? GameTime::GetGameTime().count() + respawn : 0;
     SetRespawnDelay(respawn);
     if (respawn && !m_spawnedByDefault)
     {
@@ -1249,7 +1250,7 @@ void GameObject::Respawn()
 {
     if (m_spawnedByDefault && m_respawnTime > 0)
     {
-        m_respawnTime = time(nullptr);
+        m_respawnTime = GameTime::GetGameTime().count();
         GetMap()->RemoveGORespawnTime(m_spawnId);
     }
 }
@@ -1367,7 +1368,7 @@ void GameObject::UseDoorOrButton(uint32 time_to_restore, bool alternative /* = f
     SwitchDoorOrButton(true, alternative);
     SetLootState(GO_ACTIVATED, user);
 
-    m_cooldownTime = World::GetGameTimeMS() + time_to_restore;
+    m_cooldownTime = GameTime::GetGameTimeMS().count() + time_to_restore;
 }
 
 void GameObject::SetGoArtKit(uint8 kit)
@@ -1430,10 +1431,10 @@ void GameObject::Use(Unit* user)
     // If cooldown data present in template
     if (uint32 cooldown = GetGOInfo()->GetCooldown())
     {
-        if (World::GetGameTimeMS() < m_cooldownTime)
+        if (GameTime::GetGameTimeMS().count() < m_cooldownTime)
             return;
 
-        m_cooldownTime = World::GetGameTimeMS() + cooldown * IN_MILLISECONDS;
+        m_cooldownTime = GameTime::GetGameTimeMS().count() + cooldown * IN_MILLISECONDS;
     }
 
     switch (GetGoType())
@@ -1467,7 +1468,7 @@ void GameObject::Use(Unit* user)
                 if (goInfo->trap.spellId)
                     CastSpell(user, goInfo->trap.spellId);
 
-                m_cooldownTime = World::GetGameTimeMS() + (goInfo->trap.cooldown ? goInfo->trap.cooldown :  uint32(4)) * IN_MILLISECONDS; // template or 4 seconds
+                m_cooldownTime = GameTime::GetGameTimeMS().count() + (goInfo->trap.cooldown ? goInfo->trap.cooldown :  uint32(4)) * IN_MILLISECONDS; // template or 4 seconds
 
                 if (goInfo->trap.type == 1)         // Deactivate after trigger
                     SetLootState(GO_JUST_DEACTIVATED);
@@ -1634,7 +1635,7 @@ void GameObject::Use(Unit* user)
                 if (info->goober.customAnim)
                     SendCustomAnim(GetGoAnimProgress());
 
-                m_cooldownTime = World::GetGameTimeMS() + info->GetAutoCloseTime();
+                m_cooldownTime = GameTime::GetGameTimeMS().count() + info->GetAutoCloseTime();
 
                 // cast this spell later if provided
                 spellId = info->goober.spellId;
@@ -1806,7 +1807,7 @@ void GameObject::Use(Unit* user)
                     if (!info->summoningRitual.animSpell)
                         m_cooldownTime = 0;
                     else // channel ready, maintain this
-                        m_cooldownTime = World::GetGameTimeMS() + 5 * IN_MILLISECONDS;
+                        m_cooldownTime = GameTime::GetGameTimeMS().count() + 5 * IN_MILLISECONDS;
                 }
 
                 return;
@@ -2726,6 +2727,20 @@ void GameObject::UpdateModelPosition()
     }
 }
 
+time_t GameObject::GetRespawnTimeEx() const
+{
+    time_t now = GameTime::GetGameTime().count();
+    if (m_respawnTime > now)
+        return m_respawnTime;
+    else
+        return now;
+}
+
+void GameObject::SetLootGenerationTime()
+{
+    m_lootGenerationTime = GameTime::GetGameTime().count();
+}
+
 std::unordered_map<int, goEventFlag> GameObject::gameObjectToEventFlag = { };
 
 class GameObjectModelOwnerImpl : public GameObjectModelOwnerBase
diff --git a/src/server/game/Entities/GameObject/GameObject.h b/src/server/game/Entities/GameObject/GameObject.h
index 6d4ce5f21f..4bd2aca7bd 100644
--- a/src/server/game/Entities/GameObject/GameObject.h
+++ b/src/server/game/Entities/GameObject/GameObject.h
@@ -821,14 +821,7 @@ public:
     [[nodiscard]] uint32 GetSpellId() const { return m_spellId;}
 
     [[nodiscard]] time_t GetRespawnTime() const { return m_respawnTime; }
-    [[nodiscard]] time_t GetRespawnTimeEx() const
-    {
-        time_t now = time(nullptr);
-        if (m_respawnTime > now)
-            return m_respawnTime;
-        else
-            return now;
-    }
+    [[nodiscard]] time_t GetRespawnTimeEx() const;
 
     void SetRespawnTime(int32 respawn);
     void SetRespawnDelay(int32 respawn);
@@ -895,7 +888,7 @@ public:
     [[nodiscard]] bool HasLootRecipient() const { return m_lootRecipient || m_lootRecipientGroup; }
     uint32 m_groupLootTimer;                            // (msecs)timer used for group loot
     uint32 lootingGroupLowGUID;                         // used to find group which is looting
-    void SetLootGenerationTime() { m_lootGenerationTime = time(nullptr); }
+    void SetLootGenerationTime();
     [[nodiscard]] uint32 GetLootGenerationTime() const { return m_lootGenerationTime; }
 
     [[nodiscard]] GameObject* GetLinkedTrap();
diff --git a/src/server/game/Entities/Item/Item.cpp b/src/server/game/Entities/Item/Item.cpp
index 4e5674f2c9..b11181afa8 100644
--- a/src/server/game/Entities/Item/Item.cpp
+++ b/src/server/game/Entities/Item/Item.cpp
@@ -19,6 +19,7 @@
 #include "Common.h"
 #include "ConditionMgr.h"
 #include "DatabaseEnv.h"
+#include "GameTime.h"
 #include "ItemEnchantmentMgr.h"
 #include "ObjectMgr.h"
 #include "Player.h"
@@ -253,7 +254,7 @@ Item::Item()
     m_container = nullptr;
     m_lootGenerated = false;
     mb_in_trade = false;
-    m_lastPlayedTimeUpdate = time(nullptr);
+    m_lastPlayedTimeUpdate = GameTime::GetGameTime().count();
 
     m_refundRecipient = 0;
     m_paidMoney = 0;
@@ -1205,7 +1206,7 @@ void Item::UpdatePlayedTime(Player* owner)
     // Get current played time
     uint32 current_playtime = GetUInt32Value(ITEM_FIELD_CREATE_PLAYED_TIME);
     // Calculate time elapsed since last played time update
-    time_t curtime = time(nullptr);
+    time_t curtime = GameTime::GetGameTime().count();
     uint32 elapsed = uint32(curtime - m_lastPlayedTimeUpdate);
     uint32 new_playtime = current_playtime + elapsed;
     // Check if the refund timer has expired yet
@@ -1226,7 +1227,7 @@ void Item::UpdatePlayedTime(Player* owner)
 
 uint32 Item::GetPlayedTime()
 {
-    time_t curtime = time(nullptr);
+    time_t curtime = GameTime::GetGameTime().count();
     uint32 elapsed = uint32(curtime - m_lastPlayedTimeUpdate);
     return GetUInt32Value(ITEM_FIELD_CREATE_PLAYED_TIME) + elapsed;
 }
diff --git a/src/server/game/Entities/Object/Object.cpp b/src/server/game/Entities/Object/Object.cpp
index efc8f34cf5..e074e5272a 100644
--- a/src/server/game/Entities/Object/Object.cpp
+++ b/src/server/game/Entities/Object/Object.cpp
@@ -23,6 +23,7 @@
 #include "Creature.h"
 #include "DynamicVisibility.h"
 #include "GameObjectAI.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "Log.h"
 #include "MapMgr.h"
@@ -1079,7 +1080,7 @@ void MovementInfo::OutDebug()
     LOG_INFO("movement", "guid %s", guid.ToString().c_str());
     LOG_INFO("movement", "flags %u", flags);
     LOG_INFO("movement", "flags2 %u", flags2);
-    LOG_INFO("movement", "time %u current time " UI64FMTD "", flags2, uint64(::time(nullptr)));
+    LOG_INFO("movement", "time %u current time " UI64FMTD "", flags2, uint64(::GameTime::GetGameTime().count()));
     LOG_INFO("movement", "position: `%s`", pos.ToString().c_str());
 
     if (flags & MOVEMENTFLAG_ONTRANSPORT)
@@ -3065,13 +3066,13 @@ void WorldObject::AddToNotify(uint16 f)
             {
                 uint32 EVENT_VISIBILITY_DELAY = u->FindMap() ? DynamicVisibilityMgr::GetVisibilityNotifyDelay(u->FindMap()->GetEntry()->map_type) : 1000;
 
-                uint32 diff = getMSTimeDiff(u->m_last_notify_mstime, World::GetGameTimeMS());
+                uint32 diff = getMSTimeDiff(u->m_last_notify_mstime, GameTime::GetGameTimeMS().count());
                 if (diff >= EVENT_VISIBILITY_DELAY / 2)
                     EVENT_VISIBILITY_DELAY /= 2;
                 else
                     EVENT_VISIBILITY_DELAY -= diff;
                 u->m_delayed_unit_relocation_timer = EVENT_VISIBILITY_DELAY;
-                u->m_last_notify_mstime = World::GetGameTimeMS() + EVENT_VISIBILITY_DELAY - 1;
+                u->m_last_notify_mstime = GameTime::GetGameTimeMS().count() + EVENT_VISIBILITY_DELAY - 1;
             }
             else if (f & NOTIFY_AI_RELOCATION)
             {
diff --git a/src/server/game/Entities/Pet/Pet.cpp b/src/server/game/Entities/Pet/Pet.cpp
index 743a62f143..34108af910 100644
--- a/src/server/game/Entities/Pet/Pet.cpp
+++ b/src/server/game/Entities/Pet/Pet.cpp
@@ -20,6 +20,7 @@
 #include "Common.h"
 #include "CreatureAI.h"
 #include "DatabaseEnv.h"
+#include "GameTime.h"
 #include "Group.h"
 #include "InstanceScript.h"
 #include "Log.h"
@@ -320,7 +321,7 @@ bool Pet::LoadPetFromDB(Player* owner, uint32 petEntry, uint32 petnumber, bool c
             break;
     }
 
-    SetUInt32Value(UNIT_FIELD_PET_NAME_TIMESTAMP, uint32(time(nullptr))); // cast can't be helped here
+    SetUInt32Value(UNIT_FIELD_PET_NAME_TIMESTAMP, uint32(GameTime::GetGameTime().count())); // cast can't be helped here
     SetCreatorGUID(owner->GetGUID());
 
     InitStatsForLevel(petlevel);
@@ -420,7 +421,7 @@ bool Pet::LoadPetFromDB(Player* owner, uint32 petEntry, uint32 petnumber, bool c
 
         InitTalentForLevel(); // set original talents points before spell loading
 
-        uint32 timediff = uint32(time(nullptr) - lastSaveTime);
+        uint32 timediff = uint32(GameTime::GetGameTime().count() - lastSaveTime);
         _LoadAuras(holder.GetPreparedResult(PetLoadQueryHolder::AURAS), timediff);
 
         // load action bar, if data broken will fill later by default spells.
@@ -570,7 +571,7 @@ void Pet::SavePetToDB(PetSaveMode mode)
         stmt->setUInt32(12, curhealth);
         stmt->setUInt32(13, curmana);
         stmt->setUInt32(14, GetPower(POWER_HAPPINESS));
-        stmt->setUInt32(15, time(nullptr));
+        stmt->setUInt32(15, GameTime::GetGameTime().count());
         stmt->setString(16, actionBar);
 
         trans->Append(stmt);
@@ -651,7 +652,7 @@ void Pet::Update(uint32 diff)
     {
         case CORPSE:
             {
-                if (getPetType() != HUNTER_PET || m_corpseRemoveTime <= time(nullptr))
+                if (getPetType() != HUNTER_PET || m_corpseRemoveTime <= GameTime::GetGameTime().count())
                 {
                     Remove(PET_SAVE_NOT_IN_SLOT);               //hunters' pets never get removed because of death, NEVER!
                     return;
@@ -1421,7 +1422,7 @@ void Pet::_LoadSpellCooldowns(PreparedQueryResult result)
 
     if (result)
     {
-        time_t curTime = time(nullptr);
+        time_t curTime = GameTime::GetGameTime().count();
 
         PacketCooldowns cooldowns;
         WorldPacket data;
@@ -1465,8 +1466,8 @@ void Pet::_SaveSpellCooldowns(CharacterDatabaseTransaction trans)
     stmt->setUInt32(0, m_charmInfo->GetPetNumber());
     trans->Append(stmt);
 
-    time_t curTime = time(nullptr);
-    uint32 curMSTime = World::GetGameTimeMS();
+    time_t curTime = GameTime::GetGameTime().count();
+    uint32 curMSTime = GameTime::GetGameTimeMS().count();
     uint32 infTime   = curMSTime + infinityCooldownDelayCheck;
 
     // remove oudated and save active
@@ -2418,7 +2419,7 @@ void Pet::FillPetInfo(PetStable::PetInfo* petInfo) const
     petInfo->Mana = GetPower(POWER_MANA);
     petInfo->Happiness = GetPower(POWER_HAPPINESS);
     petInfo->ActionBar = GenerateActionBarData();
-    petInfo->LastSaveTime = time(nullptr);
+    petInfo->LastSaveTime = GameTime::GetGameTime().count();
     petInfo->CreatedBySpellId = GetUInt32Value(UNIT_CREATED_BY_SPELL);
     petInfo->Type = getPetType();
 }
diff --git a/src/server/game/Entities/Player/Player.cpp b/src/server/game/Entities/Player/Player.cpp
index 12051a89a8..1acb2197bf 100644
--- a/src/server/game/Entities/Player/Player.cpp
+++ b/src/server/game/Entities/Player/Player.cpp
@@ -43,6 +43,7 @@
 #include "GameEventMgr.h"
 #include "GameGraveyard.h"
 #include "GameObjectAI.h"
+#include "GameTime.h"
 #include "GossipDef.h"
 #include "GridNotifiers.h"
 #include "Group.h"
@@ -247,7 +248,7 @@ Player::Player(WorldSession* session): Unit(true), m_mover(this)
     for (uint8 j = 0; j < PLAYER_MAX_BATTLEGROUND_QUEUES; ++j)
         m_bgBattlegroundQueueID[j] = BATTLEGROUND_QUEUE_NONE;
 
-    m_logintime = time(nullptr);
+    m_logintime = GameTime::GetGameTime().count();
     m_Last_tick = m_logintime;
     m_Played_time[PLAYED_TIME_TOTAL] = 0;
     m_Played_time[PLAYED_TIME_LEVEL] = 0;
@@ -318,7 +319,7 @@ Player::Player(WorldSession* session): Unit(true), m_mover(this)
     m_spellPenetrationItemMod = 0;
 
     // Honor System
-    m_lastHonorUpdateTime = time(nullptr);
+    m_lastHonorUpdateTime = GameTime::GetGameTime().count();
 
     m_IsBGRandomWinner = false;
 
@@ -577,7 +578,7 @@ bool Player::Create(ObjectGuid::LowType guidlow, CharacterCreateInfo* createInfo
     SetArenaPoints(sWorld->getIntConfig(CONFIG_START_ARENA_POINTS));
 
     // Played time
-    m_Last_tick = time(nullptr);
+    m_Last_tick = GameTime::GetGameTime().count();
     m_Played_time[PLAYED_TIME_TOTAL] = 0;
     m_Played_time[PLAYED_TIME_LEVEL] = 0;
 
@@ -1074,7 +1075,7 @@ void Player::setDeathState(DeathState s, bool /*despawn = false*/)
 void Player::SetRestState(uint32 triggerId)
 {
     _innTriggerId = triggerId;
-    _restTime = time(nullptr);
+    _restTime = GameTime::GetGameTime().count();
     SetFlag(PLAYER_FLAGS, PLAYER_FLAGS_RESTING);
 }
 
@@ -1432,7 +1433,7 @@ bool Player::TeleportTo(uint32 mapid, float x, float y, float z, float orientati
         if (MustDelayTeleport())
         {
             SetHasDelayedTeleport(true);
-            SetSemaphoreTeleportNear(time(nullptr));
+            SetSemaphoreTeleportNear(GameTime::GetGameTime().count());
             //lets save teleport destination for player
             teleportStore_dest = WorldLocation(mapid, x, y, z, orientation);
             teleportStore_options = options;
@@ -1454,11 +1455,11 @@ bool Player::TeleportTo(uint32 mapid, float x, float y, float z, float orientati
 
         // this will be used instead of the current location in SaveToDB
         teleportStore_dest = WorldLocation(mapid, x, y, z, orientation);
-        SetFallInformation(time(nullptr), z);
+        SetFallInformation(GameTime::GetGameTime().count(), z);
 
         // code for finish transfer called in WorldSession::HandleMovementOpcodes()
         // at client packet MSG_MOVE_TELEPORT_ACK
-        SetSemaphoreTeleportNear(time(nullptr));
+        SetSemaphoreTeleportNear(GameTime::GetGameTime().count());
         // near teleport, triggering send MSG_MOVE_TELEPORT_ACK from client at landing
         if (!GetSession()->PlayerLogout())
         {
@@ -1493,7 +1494,7 @@ bool Player::TeleportTo(uint32 mapid, float x, float y, float z, float orientati
             if (MustDelayTeleport())
             {
                 SetHasDelayedTeleport(true);
-                SetSemaphoreTeleportFar(time(nullptr));
+                SetSemaphoreTeleportFar(GameTime::GetGameTime().count());
                 //lets save teleport destination for player
                 teleportStore_dest = WorldLocation(mapid, x, y, z, orientation);
                 teleportStore_options = options;
@@ -1558,7 +1559,7 @@ bool Player::TeleportTo(uint32 mapid, float x, float y, float z, float orientati
             }
 
             teleportStore_dest = WorldLocation(mapid, x, y, z, orientation);
-            SetFallInformation(time(nullptr), z);
+            SetFallInformation(GameTime::GetGameTime().count(), z);
             // if the player is saved before worldportack (at logout for example)
             // this will be used instead of the current location in SaveToDB
 
@@ -1577,7 +1578,7 @@ bool Player::TeleportTo(uint32 mapid, float x, float y, float z, float orientati
 
             // move packet sent by client always after far teleport
             // code for finish transfer to new map called in WorldSession::HandleMoveWorldportAckOpcode at client packet
-            SetSemaphoreTeleportFar(time(nullptr));
+            SetSemaphoreTeleportFar(GameTime::GetGameTime().count());
         }
     }
     return true;
@@ -2683,8 +2684,8 @@ void Player::InitStatsForLevel(bool reapplyMods)
 
 void Player::SendInitialSpells()
 {
-    uint32 curTime = World::GetGameTimeMS();
-    uint32 infTime = World::GetGameTimeMS() + infinityCooldownDelayCheck;
+    uint32 curTime = GameTime::GetGameTimeMS().count();
+    uint32 infTime = GameTime::GetGameTimeMS().count() + infinityCooldownDelayCheck;
 
     uint16 spellCount = 0;
 
@@ -2816,7 +2817,7 @@ void Player::SendNewMail()
 
 void Player::AddNewMailDeliverTime(time_t deliver_time)
 {
-    if (deliver_time <= time(nullptr))                      // ready now
+    if (deliver_time <= GameTime::GetGameTime().count())                      // ready now
     {
         ++unReadMails;
         SendNewMail();
@@ -3459,7 +3460,7 @@ void Player::RemoveCategoryCooldown(uint32 cat)
 void Player::RemoveArenaSpellCooldowns(bool removeActivePetCooldowns)
 {
     // remove cooldowns on spells that have < 10 min CD
-    uint32 infTime = World::GetGameTimeMS() + infinityCooldownDelayCheck;
+    uint32 infTime = GameTime::GetGameTimeMS().count() + infinityCooldownDelayCheck;
     SpellCooldowns::iterator itr, next;
     for (itr = m_spellCooldowns.begin(); itr != m_spellCooldowns.end(); itr = next)
     {
@@ -3493,7 +3494,7 @@ void Player::RemoveArenaSpellCooldowns(bool removeActivePetCooldowns)
 
 void Player::RemoveAllSpellCooldown()
 {
-    uint32 infTime = World::GetGameTimeMS() + infinityCooldownDelayCheck;
+    uint32 infTime = GameTime::GetGameTimeMS().count() + infinityCooldownDelayCheck;
     if (!m_spellCooldowns.empty())
     {
         for (SpellCooldowns::const_iterator itr = m_spellCooldowns.begin(); itr != m_spellCooldowns.end(); ++itr)
@@ -3512,7 +3513,7 @@ void Player::_LoadSpellCooldowns(PreparedQueryResult result)
 
     if (result)
     {
-        time_t curTime = time(nullptr);
+        time_t curTime = GameTime::GetGameTime().count();
 
         do
         {
@@ -3546,8 +3547,8 @@ void Player::_SaveSpellCooldowns(CharacterDatabaseTransaction trans, bool logout
     stmt->setUInt32(0, GetGUID().GetCounter());
     trans->Append(stmt);
 
-    time_t curTime = time(nullptr);
-    uint32 curMSTime = World::GetGameTimeMS();
+    time_t curTime = GameTime::GetGameTime().count();
+    uint32 curMSTime = GameTime::GetGameTimeMS().count();
     uint32 infTime = curMSTime + infinityCooldownDelayCheck;
 
     bool first_round = true;
@@ -3601,7 +3602,7 @@ uint32 Player::resetTalentsCost() const
         return 10 * GOLD;
     else
     {
-        uint64 months = (sWorld->GetGameTime() - m_resetTalentsTime) / MONTH;
+        uint64 months = (GameTime::GetGameTime().count() - m_resetTalentsTime) / MONTH;
         if (months > 0)
         {
             // This cost will be reduced by a rate of 5 gold per month
@@ -3710,7 +3711,7 @@ bool Player::resetTalents(bool noResetCost)
         UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_NUMBER_OF_TALENT_RESETS, 1);
 
         m_resetTalentsCost = resetCost;
-        m_resetTalentsTime = time(nullptr);
+        m_resetTalentsTime = GameTime::GetGameTime().count();
     }
 
     return true;
@@ -4252,7 +4253,7 @@ void Player::DeleteOldCharacters(uint32 keepDays)
     LOG_INFO("server.loading", " ");
 
     CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_SEL_CHAR_OLD_CHARS);
-    stmt->setUInt32(0, uint32(time(nullptr) - time_t(keepDays * DAY)));
+    stmt->setUInt32(0, uint32(GameTime::GetGameTime().count() - time_t(keepDays * DAY)));
     PreparedQueryResult result = CharacterDatabase.Query(stmt);
 
     if (result)
@@ -7627,7 +7628,7 @@ void Player::SendLoot(ObjectGuid guid, LootType loot_type)
 
         // Xinef: loot was generated and respawntime has passed since then, allow to recreate loot
         // Xinef: to avoid bugs, this rule covers spawned gameobjects only
-        if (go->isSpawnedByDefault() && go->getLootState() == GO_ACTIVATED && !go->loot.isLooted() && go->GetLootGenerationTime() + go->GetRespawnDelay() < time(nullptr))
+        if (go->isSpawnedByDefault() && go->getLootState() == GO_ACTIVATED && !go->loot.isLooted() && go->GetLootGenerationTime() + go->GetRespawnDelay() < GameTime::GetGameTime().count())
             go->SetLootState(GO_READY);
 
         if (go->getLootState() == GO_READY)
@@ -8661,7 +8662,7 @@ void Player::SendBattlefieldWorldStates()
             SendUpdateWorldState(BATTLEFIELD_WG_WORLD_STATE_SHOW_WORLDSTATE, wg->IsWarTime() ? 1 : 0);
 
             for (uint32 i = 0; i < 2; ++i)
-                SendUpdateWorldState(ClockWorldState[i], uint32(time(nullptr) + (wg->GetTimer() / 1000)));
+                SendUpdateWorldState(ClockWorldState[i], uint32(GameTime::GetGameTime().count() + (wg->GetTimer() / 1000)));
         }
     }
 }
@@ -8808,29 +8809,23 @@ Pet* Player::SummonPet(uint32 entry, float x, float y, float z, float ang, PetTy
 
     SetMinion(pet, true);
 
-    switch (petType)
+    if (petType == SUMMON_PET)
     {
-        case SUMMON_PET:
+        if (pet->GetCreatureTemplate()->type == CREATURE_TYPE_DEMON || pet->GetCreatureTemplate()->type == CREATURE_TYPE_UNDEAD)
         {
-            if (pet->GetCreatureTemplate()->type == CREATURE_TYPE_DEMON || pet->GetCreatureTemplate()->type == CREATURE_TYPE_UNDEAD)
-            {
-                pet->GetCharmInfo()->SetPetNumber(pet_number, true); // Show pet details tab (Shift+P) only for demons & undead
-            }
-            else
-            {
-                pet->GetCharmInfo()->SetPetNumber(pet_number, false);
-            }
-
-            pet->SetUInt32Value(UNIT_FIELD_BYTES_0, 2048);
-            pet->SetUInt32Value(UNIT_FIELD_PETEXPERIENCE, 0);
-            pet->SetUInt32Value(UNIT_FIELD_PETNEXTLEVELEXP, 1000);
-            pet->SetFullHealth();
-            pet->SetPower(POWER_MANA, pet->GetMaxPower(POWER_MANA));
-            pet->SetUInt32Value(UNIT_FIELD_PET_NAME_TIMESTAMP, uint32(time(nullptr))); // cast can't be helped in this case
-            break;
+            pet->GetCharmInfo()->SetPetNumber(pet_number, true); // Show pet details tab (Shift+P) only for demons & undead
         }
-        default:
-            break;
+        else
+        {
+            pet->GetCharmInfo()->SetPetNumber(pet_number, false);
+        }
+
+        pet->SetUInt32Value(UNIT_FIELD_BYTES_0, 2048);
+        pet->SetUInt32Value(UNIT_FIELD_PETEXPERIENCE, 0);
+        pet->SetUInt32Value(UNIT_FIELD_PETNEXTLEVELEXP, 1000);
+        pet->SetFullHealth();
+        pet->SetPower(POWER_MANA, pet->GetMaxPower(POWER_MANA));
+        pet->SetUInt32Value(UNIT_FIELD_PET_NAME_TIMESTAMP, uint32(GameTime::GetGameTime().count())); // cast can't be helped in this case
     }
 
     map->AddToMap(pet->ToCreature(), true);
@@ -9321,8 +9316,8 @@ void Player::PetSpellInitialize()
     uint8 cooldownsCount = pet->m_CreatureSpellCooldowns.size();
     data << uint8(cooldownsCount);
 
-    uint32 curTime = World::GetGameTimeMS();
-    uint32 infTime = World::GetGameTimeMS() + infinityCooldownDelayCheck;
+    uint32 curTime = GameTime::GetGameTimeMS().count();
+    uint32 infTime = GameTime::GetGameTimeMS().count() + infinityCooldownDelayCheck;
 
     for (CreatureSpellCooldowns::const_iterator itr = pet->m_CreatureSpellCooldowns.begin(); itr != pet->m_CreatureSpellCooldowns.end(); ++itr)
     {
@@ -9424,8 +9419,8 @@ void Player::VehicleSpellInitialize()
     // Cooldowns
     data << uint8(cooldownCount);
 
-    uint32 curTime = World::GetGameTimeMS();
-    uint32 infTime = World::GetGameTimeMS() + infinityCooldownDelayCheck;
+    uint32 curTime = GameTime::GetGameTimeMS().count();
+    uint32 infTime = GameTime::GetGameTimeMS().count() + infinityCooldownDelayCheck;
 
     for (CreatureSpellCooldowns::const_iterator itr = vehicle->m_CreatureSpellCooldowns.begin(); itr != vehicle->m_CreatureSpellCooldowns.end(); ++itr)
     {
@@ -10726,7 +10721,7 @@ void Player::AddSpellAndCategoryCooldowns(SpellInfo const* spellInfo, uint32 ite
 void Player::_AddSpellCooldown(uint32 spellid, uint16 categoryId, uint32 itemid, uint32 end_time, bool needSendToClient, bool forceSendToSpectator)
 {
     SpellCooldown sc;
-    sc.end = World::GetGameTimeMS() + end_time;
+    sc.end = GameTime::GetGameTimeMS().count() + end_time;
     sc.category = categoryId;
     sc.itemid = itemid;
     sc.maxduration = end_time;
@@ -11003,7 +10998,7 @@ void Player::LeaveBattleground(Battleground* bg)
     }
 
     // xinef: reset corpse reclaim time
-    m_deathExpireTime = time(nullptr);
+    m_deathExpireTime = GameTime::GetGameTime().count();
 
     // pussywizard: clear movement, because after porting player will move to arena cords
     GetMotionMaster()->MovementExpired();
@@ -11241,7 +11236,7 @@ void Player::SendInitialPacketsBeforeAddToMap()
     SendEquipmentSetList();
 
     data.Initialize(SMSG_LOGIN_SETTIMESPEED, 4 + 4 + 4);
-    data.AppendPackedTime(sWorld->GetGameTime());
+    data.AppendPackedTime(GameTime::GetGameTime().count());
     data << float(0.01666667f);                             // game speed
     data << uint32(0);                                      // added in 3.1.2
     GetSession()->SendPacket(&data);
@@ -11426,7 +11421,7 @@ void Player::ApplyEquipCooldown(Item* pItem)
 
         // Don't replace longer cooldowns by equip cooldown if we have any.
         SpellCooldowns::iterator itr = m_spellCooldowns.find(spellData.SpellId);
-        if (itr != m_spellCooldowns.end() && itr->second.itemid == pItem->GetEntry() && itr->second.end > World::GetGameTimeMS() + 30 * IN_MILLISECONDS)
+        if (itr != m_spellCooldowns.end() && itr->second.itemid == pItem->GetEntry() && itr->second.end > GameTime::GetGameTimeMS().count() + 30 * IN_MILLISECONDS)
             continue;
 
         // xinef: dont apply eqiup cooldown for spells with this attribute
@@ -11730,7 +11725,7 @@ void Player::SetDailyQuestStatus(uint32 quest_id)
                 if (!GetUInt32Value(PLAYER_FIELD_DAILY_QUESTS_1 + quest_daily_idx))
                 {
                     SetUInt32Value(PLAYER_FIELD_DAILY_QUESTS_1 + quest_daily_idx, quest_id);
-                    m_lastDailyQuestTime = time(nullptr);              // last daily quest time
+                    m_lastDailyQuestTime = GameTime::GetGameTime().count();              // last daily quest time
                     m_DailyQuestChanged = true;
                     break;
                 }
@@ -11739,7 +11734,7 @@ void Player::SetDailyQuestStatus(uint32 quest_id)
         else
         {
             m_DFQuests.insert(quest_id);
-            m_lastDailyQuestTime = time(nullptr);
+            m_lastDailyQuestTime = GameTime::GetGameTime().count();
             m_DailyQuestChanged = true;
         }
     }
@@ -11966,7 +11961,7 @@ void Player::SummonIfPossible(bool agree, ObjectGuid summoner_guid)
     }
 
     // expire and auto declined
-    if (m_summon_expire < time(nullptr))
+    if (m_summon_expire < GameTime::GetGameTime().count())
         return;
 
     // drop flag at summon
@@ -12455,7 +12450,7 @@ uint32 Player::GetCorpseReclaimDelay(bool pvp) const
     else if (!sWorld->getBoolConfig(CONFIG_DEATH_CORPSE_RECLAIM_DELAY_PVE))
         return 0;
 
-    time_t now = time(nullptr);
+    time_t now = GameTime::GetGameTime().count();
     // 0..2 full period
     // should be std::ceil(x)-1 but not floor(x)
     uint64 count = (now < m_deathExpireTime - 1) ? (m_deathExpireTime - 1 - now) / DEATH_EXPIRE_STEP : 0;
@@ -12490,7 +12485,7 @@ int32 Player::CalculateCorpseReclaimDelay(bool load)
         }
 
         time_t expected_time = corpse->GetGhostTime() + copseReclaimDelay[count];
-        time_t now = time(nullptr);
+        time_t now = GameTime::GetGameTime().count();
 
         if (now >= expected_time)
             return -1;
@@ -14207,7 +14202,7 @@ void Player::_SaveCharacter(bool create, CharacterDatabaseTransaction trans)
         stmt->setUInt32(index++, m_Played_time[PLAYED_TIME_TOTAL]);
         stmt->setUInt32(index++, m_Played_time[PLAYED_TIME_LEVEL]);
         stmt->setFloat(index++, finiteAlways(_restBonus));
-        stmt->setUInt32(index++, uint32(time(nullptr)));
+        stmt->setUInt32(index++, uint32(GameTime::GetGameTime().count()));
         stmt->setUInt8(index++,  (HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_RESTING) ? 1 : 0));
         //save, far from tavern/city
         //save, but in tavern/city
@@ -14346,7 +14341,7 @@ void Player::_SaveCharacter(bool create, CharacterDatabaseTransaction trans)
         stmt->setUInt32(index++, m_Played_time[PLAYED_TIME_TOTAL]);
         stmt->setUInt32(index++, m_Played_time[PLAYED_TIME_LEVEL]);
         stmt->setFloat(index++, finiteAlways(_restBonus));
-        stmt->setUInt32(index++, uint32(time(nullptr)));
+        stmt->setUInt32(index++, uint32(GameTime::GetGameTime().count()));
         stmt->setUInt8(index++,  (HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_RESTING) ? 1 : 0));
         //save, far from tavern/city
         //save, but in tavern/city
@@ -15379,7 +15374,7 @@ bool Player::SetCanFly(bool apply, bool packetOnly /*= false*/)
         return false;
 
     if (!apply)
-        SetFallInformation(time(nullptr), GetPositionZ());
+        SetFallInformation(GameTime::GetGameTime().count(), GetPositionZ());
 
     WorldPacket data(apply ? SMSG_MOVE_SET_CAN_FLY : SMSG_MOVE_UNSET_CAN_FLY, 12);
     data << GetPackGUID();
@@ -15658,7 +15653,7 @@ void Player::SetRestFlag(RestFlag restFlag, uint32 triggerId /*= 0*/)
 
     if (!oldRestMask && _restFlagMask) // only set flag/time on the first rest state
     {
-        _restTime = time(nullptr);
+        _restTime = GameTime::GetGameTime().count();
         SetFlag(PLAYER_FLAGS, PLAYER_FLAGS_RESTING);
     }
 
@@ -15799,3 +15794,36 @@ std::string Player::GetPlayerName()
 
     return "|Hplayer:" + name + "|h" + color + name + "|h|r";
 }
+
+void Player::SetSummonPoint(uint32 mapid, float x, float y, float z, uint32 delay /*= 0*/, bool asSpectator /*= false*/)
+{
+    m_summon_expire = GameTime::GetGameTime().count() + (delay ? delay : MAX_PLAYER_SUMMON_DELAY);
+    m_summon_mapid = mapid;
+    m_summon_x = x;
+    m_summon_y = y;
+    m_summon_z = z;
+    m_summon_asSpectator = asSpectator;
+}
+
+bool Player::IsSummonAsSpectator() const
+{
+    return m_summon_asSpectator && m_summon_expire >= GameTime::GetGameTime().count();
+}
+
+bool Player::HasSpellCooldown(uint32 spell_id) const
+{
+    SpellCooldowns::const_iterator itr = m_spellCooldowns.find(spell_id);
+    return itr != m_spellCooldowns.end() && itr->second.end > getMSTime();
+}
+
+bool Player::HasSpellItemCooldown(uint32 spell_id, uint32 itemid) const
+{
+    SpellCooldowns::const_iterator itr = m_spellCooldowns.find(spell_id);
+    return itr != m_spellCooldowns.end() && itr->second.end > getMSTime() && itr->second.itemid == itemid;
+}
+
+uint32 Player::GetSpellCooldownDelay(uint32 spell_id) const
+{
+    SpellCooldowns::const_iterator itr = m_spellCooldowns.find(spell_id);
+    return uint32(itr != m_spellCooldowns.end() && itr->second.end > getMSTime() ? itr->second.end - getMSTime() : 0);
+}
diff --git a/src/server/game/Entities/Player/Player.h b/src/server/game/Entities/Player/Player.h
index b87c4c0589..479633e5b7 100644
--- a/src/server/game/Entities/Player/Player.h
+++ b/src/server/game/Entities/Player/Player.h
@@ -1066,16 +1066,8 @@ public:
     }
     bool TeleportToEntryPoint();
 
-    void SetSummonPoint(uint32 mapid, float x, float y, float z, uint32 delay = 0, bool asSpectator = false)
-    {
-        m_summon_expire = time(nullptr) + (delay ? delay : MAX_PLAYER_SUMMON_DELAY);
-        m_summon_mapid = mapid;
-        m_summon_x = x;
-        m_summon_y = y;
-        m_summon_z = z;
-        m_summon_asSpectator = asSpectator;
-    }
-    [[nodiscard]] bool IsSummonAsSpectator() const { return m_summon_asSpectator && m_summon_expire >= time(nullptr); }
+    void SetSummonPoint(uint32 mapid, float x, float y, float z, uint32 delay = 0, bool asSpectator = false);
+    [[nodiscard]] bool IsSummonAsSpectator() const;
     void SetSummonAsSpectator(bool on) { m_summon_asSpectator = on; }
     void SummonIfPossible(bool agree, ObjectGuid summoner_guid);
     [[nodiscard]] time_t GetSummonExpireTimer() const { return m_summon_expire; }
@@ -1726,21 +1718,9 @@ public:
     void DropModCharge(SpellModifier* mod, Spell* spell);
     void SetSpellModTakingSpell(Spell* spell, bool apply);
 
-    [[nodiscard]] bool HasSpellCooldown(uint32 spell_id) const override
-    {
-        SpellCooldowns::const_iterator itr = m_spellCooldowns.find(spell_id);
-        return itr != m_spellCooldowns.end() && itr->second.end > World::GetGameTimeMS();
-    }
-    [[nodiscard]] bool HasSpellItemCooldown(uint32 spell_id, uint32 itemid) const override
-    {
-        SpellCooldowns::const_iterator itr = m_spellCooldowns.find(spell_id);
-        return itr != m_spellCooldowns.end() && itr->second.end > World::GetGameTimeMS() && itr->second.itemid == itemid;
-    }
-    [[nodiscard]] uint32 GetSpellCooldownDelay(uint32 spell_id) const
-    {
-        SpellCooldowns::const_iterator itr = m_spellCooldowns.find(spell_id);
-        return uint32(itr != m_spellCooldowns.end() && itr->second.end > World::GetGameTimeMS() ? itr->second.end - World::GetGameTimeMS() : 0);
-    }
+    [[nodiscard]] bool HasSpellCooldown(uint32 spell_id) const override;
+    [[nodiscard]] bool HasSpellItemCooldown(uint32 spell_id, uint32 itemid) const override;
+    [[nodiscard]] uint32 GetSpellCooldownDelay(uint32 spell_id) const;
     void AddSpellAndCategoryCooldowns(SpellInfo const* spellInfo, uint32 itemId, Spell* spell = nullptr, bool infinityCooldown = false);
     void AddSpellCooldown(uint32 spell_id, uint32 itemid, uint32 end_time, bool needSendToClient = false, bool forceSendToSpectator = false) override;
     void _AddSpellCooldown(uint32 spell_id, uint16 categoryId, uint32 itemid, uint32 end_time, bool needSendToClient = false, bool forceSendToSpectator = false);
diff --git a/src/server/game/Entities/Player/PlayerMisc.cpp b/src/server/game/Entities/Player/PlayerMisc.cpp
index 0c016c2ea9..2d7fc957bb 100644
--- a/src/server/game/Entities/Player/PlayerMisc.cpp
+++ b/src/server/game/Entities/Player/PlayerMisc.cpp
@@ -16,6 +16,7 @@
  */
 
 #include "AccountMgr.h"
+#include "GameTime.h"
 #include "MapMgr.h"
 #include "Player.h"
 #include "ScriptMgr.h"
@@ -31,7 +32,7 @@ void Player::UpdateSpeakTime(uint32 specialMessageLimit)
     if (!AccountMgr::IsPlayerAccount(GetSession()->GetSecurity()))
         return;
 
-    time_t current = time (nullptr);
+    time_t current = GameTime::GetGameTime().count();
     if (m_speakTime > current)
     {
         uint32 max_count = specialMessageLimit ? specialMessageLimit : sWorld->getIntConfig(CONFIG_CHATFLOOD_MESSAGE_COUNT);
diff --git a/src/server/game/Entities/Player/PlayerQuest.cpp b/src/server/game/Entities/Player/PlayerQuest.cpp
index ead2efd4de..e9d69373b7 100644
--- a/src/server/game/Entities/Player/PlayerQuest.cpp
+++ b/src/server/game/Entities/Player/PlayerQuest.cpp
@@ -18,6 +18,7 @@
 #include "CreatureAI.h"
 #include "DisableMgr.h"
 #include "GameObjectAI.h"
+#include "GameTime.h"
 #include "GitRevision.h"
 #include "GossipDef.h"
 #include "Group.h"
@@ -553,7 +554,7 @@ void Player::AddQuest(Quest const* quest, Object* questGiver)
 
         AddTimedQuest(quest_id);
         questStatusData.Timer = timeAllowed * IN_MILLISECONDS;
-        qtime = static_cast<uint32>(time(nullptr)) + timeAllowed;
+        qtime = static_cast<uint32>(GameTime::GetGameTime().count()) + timeAllowed;
     }
     else
         questStatusData.Timer = 0;
diff --git a/src/server/game/Entities/Player/PlayerStorage.cpp b/src/server/game/Entities/Player/PlayerStorage.cpp
index 601d72f317..92b26813a5 100644
--- a/src/server/game/Entities/Player/PlayerStorage.cpp
+++ b/src/server/game/Entities/Player/PlayerStorage.cpp
@@ -37,6 +37,7 @@
 #include "GameEventMgr.h"
 #include "GameGraveyard.h"
 #include "GameObjectAI.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "Group.h"
 #include "GroupMgr.h"
@@ -3995,7 +3996,7 @@ void Player::AddItemToBuyBackSlot(Item* pItem)
         LOG_DEBUG("entities.player.items", "STORAGE: AddItemToBuyBackSlot item = %u, slot = %u", pItem->GetEntry(), slot);
 
         m_items[slot] = pItem;
-        time_t base = time(nullptr);
+        time_t base = GameTime::GetGameTime().count();
         uint32 etime = uint32(base - m_logintime + (30 * 3600));
         uint32 eslot = slot - BUYBACK_SLOT_START;
 
@@ -5336,7 +5337,7 @@ bool Player::LoadFromDB(ObjectGuid playerGuid, CharacterDatabaseQueryHolder cons
 
     SaveRecallPosition();
 
-    time_t now = time(nullptr);
+    time_t now = GameTime::GetGameTime().count();
     time_t logoutTime = time_t(fields[27].GetUInt32());
 
     // since last logout (in seconds)
@@ -5504,7 +5505,7 @@ bool Player::LoadFromDB(ObjectGuid playerGuid, CharacterDatabaseQueryHolder cons
     SetUInt32Value(PLAYER_CHOSEN_TITLE, curTitle);
 
     // has to be called after last Relocate() in Player::LoadFromDB
-    SetFallInformation(time(nullptr), GetPositionZ());
+    SetFallInformation(GameTime::GetGameTime().count(), GetPositionZ());
 
     _LoadSpellCooldowns(holder.GetPreparedResult(PLAYER_LOGIN_QUERY_LOAD_SPELL_COOLDOWNS));
 
@@ -6218,7 +6219,7 @@ void Player::_LoadMail(PreparedQueryResult mailsResult, PreparedQueryResult mail
             m->state = MAIL_STATE_UNCHANGED;
 
             // Do not load expired pending sale mail if there is already delivery auction mail
-            if (m->auctionId < 0 && m->expire_time <= time(nullptr))
+            if (m->auctionId < 0 && m->expire_time <= GameTime::GetGameTime().count())
             {
                 uint32 auctionId = std::abs(m->auctionId);
                 if (pendingAuctions.count(auctionId))
@@ -6335,10 +6336,10 @@ void Player::_LoadQuestStatus(PreparedQueryResult result)
                 {
                     AddTimedQuest(quest_id);
 
-                    if (quest_time <= sWorld->GetGameTime())
+                    if (quest_time <= GameTime::GetGameTime().count())
                         questStatusData.Timer = 1;
                     else
-                        questStatusData.Timer = uint32((quest_time - sWorld->GetGameTime()) * IN_MILLISECONDS);
+                        questStatusData.Timer = uint32((quest_time - GameTime::GetGameTime().count()) * IN_MILLISECONDS);
                 }
                 else
                     quest_time = 0;
@@ -6595,7 +6596,7 @@ void Player::SendRaidInfo()
     size_t p_counter = data.wpos();
     data << uint32(counter);                                // placeholder
 
-    time_t now = time(nullptr);
+    time_t now = GameTime::GetGameTime().count();
 
     for (uint8 i = 0; i < MAX_DIFFICULTY; ++i)
     {
@@ -7535,7 +7536,7 @@ void Player::_SaveQuestStatus(CharacterDatabaseTransaction trans)
                 stmt->setUInt32(index++, statusItr->first);
                 stmt->setUInt8(index++, uint8(statusItr->second.Status));
                 stmt->setBool(index++, statusItr->second.Explored);
-                stmt->setUInt32(index++, uint32(statusItr->second.Timer / IN_MILLISECONDS + sWorld->GetGameTime()));
+                stmt->setUInt32(index++, uint32(statusItr->second.Timer / IN_MILLISECONDS + GameTime::GetGameTime().count()));
 
                 for (uint8 i = 0; i < QUEST_OBJECTIVES_COUNT; i++)
                     stmt->setUInt16(index++, statusItr->second.CreatureOrGOCount[i]);
diff --git a/src/server/game/Entities/Player/PlayerUpdates.cpp b/src/server/game/Entities/Player/PlayerUpdates.cpp
index 9e8bac89dd..36af2f95e2 100644
--- a/src/server/game/Entities/Player/PlayerUpdates.cpp
+++ b/src/server/game/Entities/Player/PlayerUpdates.cpp
@@ -20,6 +20,7 @@
 #include "Channel.h"
 #include "ChannelMgr.h"
 #include "Formulas.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "Group.h"
 #include "Guild.h"
@@ -57,7 +58,7 @@ void Player::Update(uint32 p_time)
     sScriptMgr->OnBeforePlayerUpdate(this, p_time);
 
     // undelivered mail
-    if (m_nextMailDelivereTime && m_nextMailDelivereTime <= time(nullptr))
+    if (m_nextMailDelivereTime && m_nextMailDelivereTime <= GameTime::GetGameTime().count())
     {
         SendNewMail();
         ++unReadMails;
@@ -82,7 +83,7 @@ void Player::Update(uint32 p_time)
     Unit::Update(p_time);
     SetMustDelayTeleport(false);
 
-    time_t now = time(nullptr);
+    time_t now = GameTime::GetGameTime().count();
 
     UpdatePvPFlag(now);
     UpdateFFAPvPFlag(now);
@@ -239,7 +240,7 @@ void Player::Update(uint32 p_time)
     {
         if (now > lastTick && _restTime > 0) // freeze update
         {
-            time_t currTime = time(nullptr);
+            time_t currTime = GameTime::GetGameTime().count();
             time_t timeDiff = currTime - _restTime;
             if (timeDiff >= 10) // freeze update
             {
@@ -434,7 +435,7 @@ void Player::UpdateMirrorTimers()
 void Player::UpdateNextMailTimeAndUnreads()
 {
     // Update the next delivery time and unread mails
-    time_t cTime = time(nullptr);
+    time_t cTime = GameTime::GetGameTime().count();
     // Get the next delivery time
     CharacterDatabasePreparedStatement* stmtNextDeliveryTime =
         CharacterDatabase.GetPreparedStatement(CHAR_SEL_NEXT_MAIL_DELIVERYTIME);
@@ -1126,8 +1127,8 @@ bool Player::UpdatePosition(float x, float y, float z, float orientation,
 void Player::UpdateHonorFields()
 {
     /// called when rewarding honor and at each save
-    time_t now   = time_t(time(nullptr));
-    time_t today = time_t(time(nullptr) / DAY) * DAY;
+    time_t now   = time_t(GameTime::GetGameTime().count());
+    time_t today = time_t(GameTime::GetGameTime().count() / DAY) * DAY;
 
     if (m_lastHonorUpdateTime < today)
     {
@@ -1384,7 +1385,7 @@ void Player::UpdatePvPState()
     {
         if (IsPvP() && !HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_IN_PVP) &&
             pvpInfo.EndTimer == 0)
-            pvpInfo.EndTimer = time(nullptr); // start toggle-off
+            pvpInfo.EndTimer = GameTime::GetGameTime().count(); // start toggle-off
     }
 }
 
@@ -1450,7 +1451,7 @@ void Player::UpdateFFAPvPState(bool reset /*= true*/)
                 !pvpInfo.FFAPvPEndTimer)
             {
                 pvpInfo.FFAPvPEndTimer =
-                    sWorld->GetGameTime() +
+                    GameTime::GetGameTime().count() +
                     sWorld->getIntConfig(CONFIG_FFA_PVP_TIMER);
             }
         }
@@ -1466,7 +1467,7 @@ void Player::UpdatePvP(bool state, bool _override)
     }
     else
     {
-        pvpInfo.EndTimer = time(nullptr);
+        pvpInfo.EndTimer = GameTime::GetGameTime().count();
         SetPvP(state);
     }
 
@@ -1958,7 +1959,7 @@ void Player::UpdateCorpseReclaimDelay()
         (!pvp && !sWorld->getBoolConfig(CONFIG_DEATH_CORPSE_RECLAIM_DELAY_PVE)))
         return;
 
-    time_t now = time(nullptr);
+    time_t now = GameTime::GetGameTime().count();
 
     if (now < m_deathExpireTime)
     {
diff --git a/src/server/game/Entities/Transport/Transport.cpp b/src/server/game/Entities/Transport/Transport.cpp
index 3cb459d14d..2e647360bf 100644
--- a/src/server/game/Entities/Transport/Transport.cpp
+++ b/src/server/game/Entities/Transport/Transport.cpp
@@ -21,6 +21,7 @@
 #include "Common.h"
 #include "DBCStores.h"
 #include "GameObjectAI.h"
+#include "GameTime.h"
 #include "MapMgr.h"
 #include "MapReference.h"
 #include "ObjectMgr.h"
@@ -296,7 +297,7 @@ void MotionTransport::RemovePassenger(WorldObject* passenger, bool withAll)
         if (Player* plr = passenger->ToPlayer())
         {
             sScriptMgr->OnRemovePassenger(ToTransport(), plr);
-            plr->SetFallInformation(time(nullptr), plr->GetPositionZ());
+            plr->SetFallInformation(GameTime::GetGameTime().count(), plr->GetPositionZ());
         }
 
         if (withAll)
@@ -945,7 +946,7 @@ void StaticTransport::UpdatePassengerPositions()
                 if (passenger->IsInWorld())
                 {
                     GetMap()->PlayerRelocation(passenger->ToPlayer(), x, y, z, o);
-                    passenger->ToPlayer()->SetFallInformation(time(nullptr), z);
+                    passenger->ToPlayer()->SetFallInformation(GameTime::GetGameTime().count(), z);
                 }
                 break;
             case TYPEID_GAMEOBJECT:
@@ -991,7 +992,7 @@ void StaticTransport::RemovePassenger(WorldObject* passenger, bool withAll)
         if (Player* plr = passenger->ToPlayer())
         {
             sScriptMgr->OnRemovePassenger(ToTransport(), plr);
-            plr->SetFallInformation(time(nullptr), plr->GetPositionZ());
+            plr->SetFallInformation(GameTime::GetGameTime().count(), plr->GetPositionZ());
         }
 
         if (withAll)
diff --git a/src/server/game/Entities/Unit/Unit.cpp b/src/server/game/Entities/Unit/Unit.cpp
index 9d832c1d0c..b9fba23d44 100644
--- a/src/server/game/Entities/Unit/Unit.cpp
+++ b/src/server/game/Entities/Unit/Unit.cpp
@@ -34,6 +34,7 @@
 #include "DisableMgr.h"
 #include "DynamicVisibility.h"
 #include "Formulas.h"
+#include "GameTime.h"
 #include "GridNotifiersImpl.h"
 #include "Group.h"
 #include "InstanceSaveMgr.h"
@@ -321,12 +322,12 @@ Unit::Unit(bool isWorldObject) : WorldObject(isWorldObject),
 bool GlobalCooldownMgr::HasGlobalCooldown(SpellInfo const* spellInfo) const
 {
     GlobalCooldownList::const_iterator itr = m_GlobalCooldowns.find(spellInfo->StartRecoveryCategory);
-    return itr != m_GlobalCooldowns.end() && itr->second.duration && getMSTimeDiff(itr->second.cast_time, World::GetGameTimeMS()) < itr->second.duration;
+    return itr != m_GlobalCooldowns.end() && itr->second.duration && getMSTimeDiff(itr->second.cast_time, GameTime::GetGameTimeMS().count()) < itr->second.duration;
 }
 
 void GlobalCooldownMgr::AddGlobalCooldown(SpellInfo const* spellInfo, uint32 gcd)
 {
-    m_GlobalCooldowns[spellInfo->StartRecoveryCategory] = GlobalCooldown(gcd, World::GetGameTimeMS());
+    m_GlobalCooldowns[spellInfo->StartRecoveryCategory] = GlobalCooldown(gcd, GameTime::GetGameTimeMS().count());
 }
 
 void GlobalCooldownMgr::CancelGlobalCooldown(SpellInfo const* spellInfo)
@@ -499,7 +500,7 @@ void Unit::SendMonsterMove(float NewPosX, float NewPosY, float NewPosZ, uint32 T
 
     data << uint8(0);                                       // new in 3.1
     data << GetPositionX() << GetPositionY() << GetPositionZ();
-    data << World::GetGameTimeMS();
+    data << GameTime::GetGameTimeMS().count();
     data << uint8(0);
     data << uint32(sf);
     data << TransitTime;                                           // Time in between points
@@ -995,7 +996,7 @@ uint32 Unit::DealDamage(Unit* attacker, Unit* victim, uint32 damage, CleanDamage
         {
             // Part of Evade mechanics. DoT's and Thorns / Retribution Aura do not contribute to this
             if (damagetype != DOT && damage > 0 && !victim->GetOwnerGUID().IsPlayer() && (!spellProto || !spellProto->HasAura(SPELL_AURA_DAMAGE_SHIELD)))
-                victim->ToCreature()->SetLastDamagedTime(sWorld->GetGameTime() + MAX_AGGRO_RESET_TIME);
+                victim->ToCreature()->SetLastDamagedTime(GameTime::GetGameTime().count() + MAX_AGGRO_RESET_TIME);
 
             if (attacker)
                 victim->AddThreat(attacker, float(damage), damageSchoolMask, spellProto);
@@ -5358,7 +5359,7 @@ uint32 Unit::GetDiseasesByCaster(ObjectGuid casterGUID, uint8 mode)
                 {
                     Aura* aura = (*i)->GetBase();
                     if (aura && !aura->IsRemoved() && aura->GetDuration() > 0)
-                        if ((aura->GetApplyTime() + aura->GetMaxDuration() / 1000 + 8) > (time(nullptr) + aura->GetDuration() / 1000))
+                        if ((aura->GetApplyTime() + aura->GetMaxDuration() / 1000 + 8) > (GameTime::GetGameTime().count() + aura->GetDuration() / 1000))
                             aura->SetDuration(aura->GetDuration() + 3000);
                 }
             }
@@ -7080,7 +7081,7 @@ bool Unit::HandleDummyAuraProc(Unit* victim, uint32 damage, AuraEffect* triggere
                                 if (AuraEffect* aurEff = victim->GetAuraEffect(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_ROGUE, 0x100000, 0, 0, GetGUID()))
                                     if (Aura* aur = aurEff->GetBase())
                                         if (!aur->IsRemoved() && aur->GetDuration() > 0)
-                                            if ((aur->GetApplyTime() + aur->GetMaxDuration() / 1000 + 5) > (time(nullptr) + aur->GetDuration() / 1000) )
+                                            if ((aur->GetApplyTime() + aur->GetMaxDuration() / 1000 + 5) > (GameTime::GetGameTime().count() + aur->GetDuration() / 1000) )
                                             {
                                                 aur->SetDuration(aur->GetDuration() + 2000);
                                                 return true;
@@ -12800,7 +12801,7 @@ void Unit::Mount(uint32 mount, uint32 VehicleId, uint32 creatureEntry)
 
         WorldPacket data(SMSG_MOVE_SET_COLLISION_HGT, GetPackGUID().size() + 4 + 4);
         data << GetPackGUID();
-        data << uint32(sWorld->GetGameTime());   // Packet counter
+        data << uint32(GameTime::GetGameTime().count());   // Packet counter
         data << player->GetCollisionHeight();
         player->GetSession()->SendPacket(&data);
     }
@@ -12820,7 +12821,7 @@ void Unit::Dismount()
     {
         WorldPacket data(SMSG_MOVE_SET_COLLISION_HGT, GetPackGUID().size() + 4 + 4);
         data << GetPackGUID();
-        data << uint32(sWorld->GetGameTime());   // Packet counter
+        data << uint32(GameTime::GetGameTime().count());   // Packet counter
         data << thisPlayer->GetCollisionHeight();
         thisPlayer->GetSession()->SendPacket(&data);
     }
@@ -14246,7 +14247,7 @@ DiminishingLevels Unit::GetDiminishing(DiminishingGroup group)
             return DIMINISHING_LEVEL_1;
 
         // If last spell was casted more than 15 seconds ago - reset the count.
-        if (i->stack == 0 && getMSTimeDiff(i->hitTime, World::GetGameTimeMS()) > 15000)
+        if (i->stack == 0 && getMSTimeDiff(i->hitTime, GameTime::GetGameTimeMS().count()) > 15000)
         {
             i->hitCount = DIMINISHING_LEVEL_1;
             return DIMINISHING_LEVEL_1;
@@ -14269,7 +14270,7 @@ void Unit::IncrDiminishing(DiminishingGroup group)
             i->hitCount += 1;
         return;
     }
-    m_Diminishing.push_back(DiminishingReturn(group, World::GetGameTimeMS(), DIMINISHING_LEVEL_2));
+    m_Diminishing.push_back(DiminishingReturn(group, GameTime::GetGameTimeMS().count(), DIMINISHING_LEVEL_2));
 }
 
 float Unit::ApplyDiminishingToDuration(DiminishingGroup group, int32& duration, Unit* caster, DiminishingLevels Level, int32 limitduration)
@@ -14366,7 +14367,7 @@ void Unit::ApplyDiminishingAura(DiminishingGroup group, bool apply)
             i->stack -= 1;
             // Remember time after last aura from group removed
             if (i->stack == 0)
-                i->hitTime = World::GetGameTimeMS();
+                i->hitTime = GameTime::GetGameTimeMS().count();
         }
         break;
     }
@@ -16634,7 +16635,7 @@ float Unit::GetAPMultiplier(WeaponAttackType attType, bool normalized)
 
 bool Unit::IsUnderLastManaUseEffect() const
 {
-    return  getMSTimeDiff(m_lastManaUse, World::GetGameTimeMS()) < 5000;
+    return  getMSTimeDiff(m_lastManaUse, GameTime::GetGameTimeMS().count()) < 5000;
 }
 
 void Unit::SetContestedPvP(Player* attackedPlayer, bool lookForNearContestedGuards)
@@ -17862,7 +17863,7 @@ bool Unit::SetCharmedBy(Unit* charmer, CharmType type, AuraApplication const* au
                             GetCharmInfo()->SetPetNumber(sObjectMgr->GeneratePetNumber(), true);
 
                         // if charmed two demons the same session, the 2nd gets the 1st one's name
-                        SetUInt32Value(UNIT_FIELD_PET_NAME_TIMESTAMP, uint32(time(nullptr))); // cast can't be helped
+                        SetUInt32Value(UNIT_FIELD_PET_NAME_TIMESTAMP, uint32(GameTime::GetGameTime().count())); // cast can't be helped
                     }
                 }
                 GetMotionMaster()->MoveFollow(charmer, PET_FOLLOW_DIST, GetFollowAngle());
@@ -19099,7 +19100,7 @@ void Unit::_ExitVehicle(Position const* exitPosition)
 
     if (player)
     {
-        player->SetFallInformation(time(nullptr), GetPositionZ());
+        player->SetFallInformation(GameTime::GetGameTime().count(), GetPositionZ());
 
         sScriptMgr->AnticheatSetUnderACKmount(player);
         sScriptMgr->AnticheatSetSkipOnePacketForASH(player, true);
@@ -19181,7 +19182,7 @@ void Unit::BuildMovementPacket(ByteBuffer* data) const
 {
     *data << uint32(GetUnitMovementFlags());            // movement flags
     *data << uint16(GetExtraUnitMovementFlags());       // 2.3.0
-    *data << uint32(World::GetGameTimeMS());                       // time / counter
+    *data << uint32(GameTime::GetGameTimeMS().count());                       // time / counter
     *data << GetPositionX();
     *data << GetPositionY();
     *data << GetPositionZ();
diff --git a/src/server/game/Events/GameEventMgr.cpp b/src/server/game/Events/GameEventMgr.cpp
index d5b363a77e..ec31e266f0 100644
--- a/src/server/game/Events/GameEventMgr.cpp
+++ b/src/server/game/Events/GameEventMgr.cpp
@@ -19,6 +19,7 @@
 #include "BattlegroundMgr.h"
 #include "DisableMgr.h"
 #include "GameObjectAI.h"
+#include "GameTime.h"
 #include "GossipDef.h"
 #include "Language.h"
 #include "Log.h"
@@ -47,7 +48,7 @@ bool GameEventMgr::CheckOneGameEvent(uint16 entry) const
         default:
         case GAMEEVENT_NORMAL:
             {
-                time_t currenttime = time(nullptr);
+                time_t currenttime = GameTime::GetGameTime().count();
                 // Get the event information
                 return mGameEvent[entry].start < currenttime
                        && currenttime < mGameEvent[entry].end
@@ -64,7 +65,7 @@ bool GameEventMgr::CheckOneGameEvent(uint16 entry) const
         // if inactive world event, check the prerequisite events
         case GAMEEVENT_WORLD_INACTIVE:
             {
-                time_t currenttime = time(nullptr);
+                time_t currenttime = GameTime::GetGameTime().count();
                 for (std::set<uint16>::const_iterator itr = mGameEvent[entry].prerequisite_events.begin(); itr != mGameEvent[entry].prerequisite_events.end(); ++itr)
                 {
                     if ((mGameEvent[*itr].state != GAMEEVENT_WORLD_NEXTPHASE && mGameEvent[*itr].state != GAMEEVENT_WORLD_FINISHED) ||   // if prereq not in nextphase or finished state, then can't start this one
@@ -80,7 +81,7 @@ bool GameEventMgr::CheckOneGameEvent(uint16 entry) const
 
 uint32 GameEventMgr::NextCheck(uint16 entry) const
 {
-    time_t currenttime = time(nullptr);
+    time_t currenttime = GameTime::GetGameTime().count();
 
     // for NEXTPHASE state world events, return the delay to start the next event, so the followup event will be checked correctly
     if ((mGameEvent[entry].state == GAMEEVENT_WORLD_NEXTPHASE || mGameEvent[entry].state == GAMEEVENT_WORLD_FINISHED) && mGameEvent[entry].nextstart >= currenttime)
@@ -145,7 +146,7 @@ bool GameEventMgr::StartEvent(uint16 event_id, bool overwrite)
         ApplyNewEvent(event_id);
         if (overwrite)
         {
-            mGameEvent[event_id].start = time(nullptr);
+            mGameEvent[event_id].start = GameTime::GetGameTime().count();
             if (data.end <= data.start)
                 data.end = data.start + data.length;
         }
@@ -157,7 +158,7 @@ bool GameEventMgr::StartEvent(uint16 event_id, bool overwrite)
         auto itr = _gameEventSeasonalQuestsMap.find(event_id);
         if (itr != _gameEventSeasonalQuestsMap.end() && !itr->second.empty())
         {
-            sWorld->setWorldState(event_id, sWorld->GetGameTime());
+            sWorld->setWorldState(event_id, GameTime::GetGameTime().count());
         }
 
         return false;
@@ -203,7 +204,7 @@ void GameEventMgr::StopEvent(uint16 event_id, bool overwrite)
 
     if (overwrite && !serverwide_evt)
     {
-        data.start = time(nullptr) - data.length * MINUTE;
+        data.start = GameTime::GetGameTime().count() - data.length * MINUTE;
         if (data.end <= data.start)
             data.end = data.start + data.length;
     }
@@ -268,7 +269,7 @@ void GameEventMgr::LoadFromDB()
             pGameEvent.start        = time_t(starttime);
             uint64 endtime          = fields[2].GetUInt64();
             if (fields[2].IsNull())
-                endtime             = time(nullptr) + 63072000; // add 2 years to current date
+                endtime             = GameTime::GetGameTime().count() + 63072000; // add 2 years to current date
             pGameEvent.end          = time_t(endtime);
             pGameEvent.occurence    = fields[3].GetUInt64();
             pGameEvent.length       = fields[4].GetUInt64();
@@ -1126,7 +1127,7 @@ void GameEventMgr::StartArenaSeason()
 
 uint32 GameEventMgr::Update()                               // return the next event delay in ms
 {
-    time_t currenttime = time(nullptr);
+    time_t currenttime = GameTime::GetGameTime().count();
     uint32 nextEventDelay = max_ge_check_delay;             // 1 day
     uint32 calcDelay;
     std::set<uint16> activate, deactivate;
@@ -1720,7 +1721,7 @@ bool GameEventMgr::CheckOneGameEventConditions(uint16 event_id)
     // set the followup events' start time
     if (!mGameEvent[event_id].nextstart)
     {
-        time_t currenttime = time(nullptr);
+        time_t currenttime = GameTime::GetGameTime().count();
         mGameEvent[event_id].nextstart = currenttime + mGameEvent[event_id].length * 60;
     }
     return true;
@@ -1840,7 +1841,7 @@ void GameEventMgr::SetHolidayEventTime(GameEventData& event)
 
     bool singleDate = ((holiday->Date[0] >> 24) & 0x1F) == 31; // Events with fixed date within year have - 1
 
-    time_t curTime = time(nullptr);
+    time_t curTime = GameTime::GetGameTime().count();
     for (uint8 i = 0; i < MAX_HOLIDAY_DATES && holiday->Date[i]; ++i)
 
     {
@@ -1890,7 +1891,7 @@ void GameEventMgr::SetHolidayEventTime(GameEventData& event)
 
 uint32 GameEventMgr::GetHolidayEventId(uint32 holidayId) const
 {
-    auto const events = sGameEventMgr->GetEventMap();
+    auto const& events = sGameEventMgr->GetEventMap();
 
     for (auto const& eventEntry : events)
     {
diff --git a/src/server/game/Globals/ObjectMgr.cpp b/src/server/game/Globals/ObjectMgr.cpp
index 63c92c1377..41b7e31cd6 100644
--- a/src/server/game/Globals/ObjectMgr.cpp
+++ b/src/server/game/Globals/ObjectMgr.cpp
@@ -25,6 +25,7 @@
 #include "DatabaseEnv.h"
 #include "DisableMgr.h"
 #include "GameEventMgr.h"
+#include "GameTime.h"
 #include "GossipDef.h"
 #include "GroupMgr.h"
 #include "GuildMgr.h"
@@ -5923,7 +5924,7 @@ void ObjectMgr::ReturnOrDeleteOldMails(bool serverUp)
 {
     uint32 oldMSTime = getMSTime();
 
-    time_t curTime = time(nullptr);
+    time_t curTime = GameTime::GetGameTime().count();
 
     CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_SEL_EXPIRED_MAIL);
     stmt->setUInt32(0, uint32(curTime));
diff --git a/src/server/game/Groups/Group.cpp b/src/server/game/Groups/Group.cpp
index 3049b4c199..f075ee5870 100644
--- a/src/server/game/Groups/Group.cpp
+++ b/src/server/game/Groups/Group.cpp
@@ -19,6 +19,7 @@
 #include "Battleground.h"
 #include "BattlegroundMgr.h"
 #include "DatabaseEnv.h"
+#include "GameTime.h"
 #include "GroupMgr.h"
 #include "InstanceSaveMgr.h"
 #include "LFG.h"
@@ -2410,3 +2411,14 @@ void Group::ToggleGroupMemberFlag(member_witerator slot, uint8 flag, bool apply)
     else
         slot->flags &= ~flag;
 }
+
+uint32 Group::GetDifficultyChangePreventionTime() const
+{
+    return _difficultyChangePreventionTime > GameTime::GetGameTime().count() ? _difficultyChangePreventionTime - GameTime::GetGameTime().count() : 0;
+}
+
+void Group::SetDifficultyChangePrevention(DifficultyPreventionChangeType type)
+{
+    _difficultyChangePreventionTime = GameTime::GetGameTime().count() + MINUTE;
+    _difficultyChangePreventionType = type;
+}
diff --git a/src/server/game/Groups/Group.h b/src/server/game/Groups/Group.h
index 37f827852a..9028b69143 100644
--- a/src/server/game/Groups/Group.h
+++ b/src/server/game/Groups/Group.h
@@ -309,13 +309,9 @@ public:
     bool IsLfgHeroic() const { return isLFGGroup() && (m_lfgGroupFlags & GROUP_LFG_FLAG_IS_HEROIC); }
 
     // Difficulty Change
-    uint32 GetDifficultyChangePreventionTime() const { return _difficultyChangePreventionTime > time(nullptr) ? _difficultyChangePreventionTime - time(nullptr) : 0; }
+    uint32 GetDifficultyChangePreventionTime() const;
     DifficultyPreventionChangeType GetDifficultyChangePreventionReason() const { return _difficultyChangePreventionType; }
-    void SetDifficultyChangePrevention(DifficultyPreventionChangeType type)
-    {
-        _difficultyChangePreventionTime = time(nullptr) + MINUTE;
-        _difficultyChangePreventionType = type;
-    }
+    void SetDifficultyChangePrevention(DifficultyPreventionChangeType type);
 
 protected:
     void _homebindIfInstance(Player* player);
diff --git a/src/server/game/Guilds/Guild.cpp b/src/server/game/Guilds/Guild.cpp
index fd0e718ff2..45913fdc2b 100644
--- a/src/server/game/Guilds/Guild.cpp
+++ b/src/server/game/Guilds/Guild.cpp
@@ -23,6 +23,7 @@
 #include "Chat.h"
 #include "Config.h"
 #include "DatabaseEnv.h"
+#include "GameTime.h"
 #include "GuildMgr.h"
 #include "GuildPackets.h"
 #include "Language.h"
@@ -172,6 +173,9 @@ inline uint32 Guild::LogHolder<Entry>::GetNextGUID()
     return m_nextGUID;
 }
 
+Guild::LogEntry::LogEntry(uint32 guildId, ObjectGuid::LowType guid) :
+    m_guildId(guildId), m_guid(guid), m_timestamp(GameTime::GetGameTime().count()) { }
+
 // EventLogEntry
 void Guild::EventLogEntry::SaveToDB(CharacterDatabaseTransaction trans) const
 {
@@ -201,7 +205,7 @@ void Guild::EventLogEntry::WritePacket(WorldPackets::Guild::GuildEventLogQueryRe
     eventEntry.PlayerGUID = playerGUID;
     eventEntry.OtherGUID = otherGUID;
     eventEntry.TransactionType = uint8(m_eventType);
-    eventEntry.TransactionDate = uint32(::time(nullptr) - m_timestamp);
+    eventEntry.TransactionDate = uint32(GameTime::GetGameTime().count() - m_timestamp);
     eventEntry.RankID = uint8(m_newRank);
     packet.Entry.push_back(eventEntry);
 }
@@ -235,7 +239,7 @@ void Guild::BankEventLogEntry::WritePacket(WorldPackets::Guild::GuildBankLogQuer
 {
     WorldPackets::Guild::GuildBankLogEntry bankLogEntry;
     bankLogEntry.PlayerGUID = ObjectGuid::Create<HighGuid::Player>(m_playerGuid.GetCounter());
-    bankLogEntry.TimeOffset = int32(::time(nullptr) - m_timestamp);
+    bankLogEntry.TimeOffset = int32(GameTime::GetGameTime().count() - m_timestamp);
     bankLogEntry.EntryType = int8(m_eventType);
 
     switch(m_eventType)
@@ -576,6 +580,11 @@ void Guild::Member::ChangeRank(uint8 newRank)
     CharacterDatabase.Execute(stmt);
 }
 
+void Guild::Member::UpdateLogoutTime()
+{
+    m_logoutTime = GameTime::GetGameTime().count();
+}
+
 void Guild::Member::SaveToDB(CharacterDatabaseTransaction trans) const
 {
     CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_INS_GUILD_MEMBER);
@@ -1050,7 +1059,7 @@ bool Guild::Create(Player* pLeader, std::string_view name)
     m_info = "";
     m_motd = "No message set.";
     m_bankMoney = 0;
-    m_createdDate = sWorld->GetGameTime();
+    m_createdDate = GameTime::GetGameTime().count();
 
     LOG_DEBUG("guild", "GUILD: creating guild [%s] for leader %s (%s)",
               m_name.c_str(), pLeader->GetName().c_str(), m_leaderGuid.ToString().c_str());
@@ -1198,7 +1207,7 @@ void Guild::HandleRoster(WorldSession* session)
         memberData.Guid = member.GetGUID();
         memberData.RankID = int32(member.GetRankId());
         memberData.AreaID = int32(member.GetZoneId());
-        memberData.LastSave = float(float(::time(nullptr) - member.GetLogoutTime()) / DAY);
+        memberData.LastSave = float(float(GameTime::GetGameTime().count() - member.GetLogoutTime()) / DAY);
 
         memberData.Status = member.GetFlags();
         memberData.Level = member.GetLevel();
diff --git a/src/server/game/Guilds/Guild.h b/src/server/game/Guilds/Guild.h
index 2d40407dda..1c89b7bd47 100644
--- a/src/server/game/Guilds/Guild.h
+++ b/src/server/game/Guilds/Guild.h
@@ -305,7 +305,6 @@ public: // pussywizard: public class Member
             m_level(0),
             m_class(0),
             m_flags(GUILDMEMBER_STATUS_NONE),
-            m_logoutTime(::time(nullptr)),
             m_accountId(0),
             m_rankId(rankId)
         {
@@ -343,7 +342,7 @@ public: // pussywizard: public class Member
 
         void ChangeRank(uint8 newRank);
 
-        inline void UpdateLogoutTime() { m_logoutTime = ::time(nullptr); }
+        void UpdateLogoutTime();
         inline bool IsRank(uint8 rankId) const { return m_rankId == rankId; }
         inline bool IsRankNotLower(uint8 rankId) const { return m_rankId <= rankId; }
         inline bool IsSamePlayer(ObjectGuid guid) const { return m_guid == guid; }
@@ -399,7 +398,7 @@ private:
     class LogEntry
     {
     public:
-        LogEntry(uint32 guildId, ObjectGuid::LowType guid) : m_guildId(guildId), m_guid(guid), m_timestamp(::time(nullptr)) { }
+        LogEntry(uint32 guildId, ObjectGuid::LowType guid);
         LogEntry(uint32 guildId, ObjectGuid::LowType guid, time_t timestamp) : m_guildId(guildId), m_guid(guid), m_timestamp(timestamp) { }
         virtual ~LogEntry() { }
 
diff --git a/src/server/game/Handlers/AuctionHouseHandler.cpp b/src/server/game/Handlers/AuctionHouseHandler.cpp
index dd06418101..c9bb6cbae0 100644
--- a/src/server/game/Handlers/AuctionHouseHandler.cpp
+++ b/src/server/game/Handlers/AuctionHouseHandler.cpp
@@ -18,6 +18,7 @@
 #include "AsyncAuctionListing.h"
 #include "AuctionHouseMgr.h"
 #include "Chat.h"
+#include "GameTime.h"
 #include "Language.h"
 #include "Log.h"
 #include "ObjectMgr.h"
@@ -299,7 +300,7 @@ void WorldSession::HandleAuctionSellItem(WorldPacket& recvData)
             AH->bidder = ObjectGuid::Empty;
             AH->bid = 0;
             AH->buyout = buyout;
-            AH->expire_time = time(nullptr) + auctionTime;
+            AH->expire_time = GameTime::GetGameTime().count() + auctionTime;
             AH->deposit = deposit;
             AH->auctionHouseEntry = auctionHouseEntry;
 
@@ -340,7 +341,7 @@ void WorldSession::HandleAuctionSellItem(WorldPacket& recvData)
             AH->bidder = ObjectGuid::Empty;
             AH->bid = 0;
             AH->buyout = buyout;
-            AH->expire_time = time(nullptr) + auctionTime;
+            AH->expire_time = GameTime::GetGameTime().count() + auctionTime;
             AH->deposit = deposit;
             AH->auctionHouseEntry = auctionHouseEntry;
 
@@ -661,7 +662,7 @@ void WorldSession::HandleAuctionListOwnerItems(WorldPacket& recvData)
 
     // pussywizard:
     const uint32 delay = 4500;
-    const uint32 now = World::GetGameTimeMS();
+    const uint32 now = GameTime::GetGameTimeMS().count();
     if (_lastAuctionListOwnerItemsMSTime > now) // list is pending
         return;
     uint32 diff = getMSTimeDiff(_lastAuctionListOwnerItemsMSTime, now);
@@ -676,7 +677,7 @@ void WorldSession::HandleAuctionListOwnerItemsEvent(ObjectGuid creatureGuid)
 {
     LOG_DEBUG("network", "WORLD: Received CMSG_AUCTION_LIST_OWNER_ITEMS");
 
-    _lastAuctionListOwnerItemsMSTime = World::GetGameTimeMS(); // pussywizard
+    _lastAuctionListOwnerItemsMSTime = GameTime::GetGameTimeMS().count(); // pussywizard
 
     Creature* creature = GetPlayer()->GetNPCIfCanInteractWith(creatureGuid, UNIT_NPC_FLAG_AUCTIONEER);
     if (!creature)
@@ -750,7 +751,7 @@ void WorldSession::HandleAuctionListItems(WorldPacket& recvData)
 
     // pussywizard:
     const uint32 delay = 2000;
-    const uint32 now = World::GetGameTimeMS();
+    const uint32 now = GameTime::GetGameTimeMS().count();
     uint32 diff = getMSTimeDiff(_lastAuctionListItemsMSTime, now);
     if (diff > delay)
     {
diff --git a/src/server/game/Handlers/BattleGroundHandler.cpp b/src/server/game/Handlers/BattleGroundHandler.cpp
index a0ddff9667..172d86c732 100644
--- a/src/server/game/Handlers/BattleGroundHandler.cpp
+++ b/src/server/game/Handlers/BattleGroundHandler.cpp
@@ -21,6 +21,7 @@
 #include "BattlegroundMgr.h"
 #include "Chat.h"
 #include "DisableMgr.h"
+#include "GameTime.h"
 #include "Group.h"
 #include "Language.h"
 #include "ObjectAccessor.h"
@@ -548,7 +549,7 @@ void WorldSession::HandleBattlefieldStatusOpcode(WorldPacket& /*recvData*/)
             if (!bg)
                 continue;
 
-            uint32 remainingTime = (World::GetGameTimeMS() < ginfo.RemoveInviteTime ? getMSTimeDiff(World::GetGameTimeMS(), ginfo.RemoveInviteTime) : 1);
+            uint32 remainingTime = (GameTime::GetGameTimeMS().count() < ginfo.RemoveInviteTime ? getMSTimeDiff(GameTime::GetGameTimeMS().count(), ginfo.RemoveInviteTime) : 1);
             sBattlegroundMgr->BuildBattlegroundStatusPacket(&data, bg, i, STATUS_WAIT_JOIN, remainingTime, 0, ginfo.ArenaType, TEAM_NEUTRAL, bg->isRated(), ginfo.BgTypeId);
             SendPacket(&data);
         }
@@ -565,7 +566,7 @@ void WorldSession::HandleBattlefieldStatusOpcode(WorldPacket& /*recvData*/)
                 continue;
 
             uint32 avgWaitTime = bgQueue.GetAverageQueueWaitTime(&ginfo);
-            sBattlegroundMgr->BuildBattlegroundStatusPacket(&data, bgt, i, STATUS_WAIT_QUEUE, avgWaitTime, getMSTimeDiff(ginfo.JoinTime, World::GetGameTimeMS()), ginfo.ArenaType, TEAM_NEUTRAL, ginfo.IsRated);
+            sBattlegroundMgr->BuildBattlegroundStatusPacket(&data, bgt, i, STATUS_WAIT_QUEUE, avgWaitTime, getMSTimeDiff(ginfo.JoinTime, GameTime::GetGameTimeMS().count()), ginfo.ArenaType, TEAM_NEUTRAL, ginfo.IsRated);
             SendPacket(&data);
         }
     }
diff --git a/src/server/game/Handlers/CalendarHandler.cpp b/src/server/game/Handlers/CalendarHandler.cpp
index 95f444ff47..c1bf6142cb 100644
--- a/src/server/game/Handlers/CalendarHandler.cpp
+++ b/src/server/game/Handlers/CalendarHandler.cpp
@@ -38,6 +38,7 @@ Copied events should probably have a new owner
 #include "DatabaseEnv.h"
 #include "DisableMgr.h"
 #include "GameEventMgr.h"
+#include "GameTime.h"
 #include "GuildMgr.h"
 #include "InstanceSaveMgr.h"
 #include "Log.h"
@@ -46,14 +47,14 @@ Copied events should probably have a new owner
 #include "Player.h"
 #include "SocialMgr.h"
 #include "WorldSession.h"
-#include "utf8.h"
+#include <utf8.h>
 
 void WorldSession::HandleCalendarGetCalendar(WorldPacket& /*recvData*/)
 {
     ObjectGuid guid = _player->GetGUID();
     LOG_DEBUG("network", "CMSG_CALENDAR_GET_CALENDAR [%s]", guid.ToString().c_str());
 
-    time_t currTime = time(nullptr);
+    time_t currTime = GameTime::GetGameTime().count();
 
     WorldPacket data(SMSG_CALENDAR_SEND_CALENDAR, 1000); // Average size if no instance
 
@@ -260,7 +261,7 @@ void WorldSession::HandleCalendarAddEvent(WorldPacket& recvData)
 
     // prevent events in the past
     // To Do: properly handle timezones and remove the "- time_t(86400L)" hack
-    if (time_t(eventPackedTime) < (time(nullptr) - time_t(86400L)))
+    if (time_t(eventPackedTime) < (GameTime::GetGameTime().count() - time_t(86400L)))
     {
         recvData.rfinish();
         sCalendarMgr->SendCalendarCommandResult(guid, CALENDAR_ERROR_EVENT_PASSED);
@@ -298,13 +299,13 @@ void WorldSession::HandleCalendarAddEvent(WorldPacket& recvData)
         }
     }
 
-    if (GetCalendarEventCreationCooldown() > time(nullptr))
+    if (GetCalendarEventCreationCooldown() > GameTime::GetGameTime().count())
     {
         recvData.rfinish();
         sCalendarMgr->SendCalendarCommandResult(guid, CALENDAR_ERROR_INTERNAL);
         return;
     }
-    SetCalendarEventCreationCooldown(time(nullptr) + CALENDAR_CREATE_EVENT_COOLDOWN);
+    SetCalendarEventCreationCooldown(GameTime::GetGameTime().count() + CALENDAR_CREATE_EVENT_COOLDOWN);
 
     CalendarEvent* calendarEvent = new CalendarEvent(sCalendarMgr->GetFreeEventId(), guid, 0, CalendarEventType(type), dungeonId,
             time_t(eventPackedTime), flags, time_t(unkPackedTime), title, description);
@@ -392,7 +393,7 @@ void WorldSession::HandleCalendarUpdateEvent(WorldPacket& recvData)
 
     // prevent events in the past
     // To Do: properly handle timezones and remove the "- time_t(86400L)" hack
-    if (time_t(eventPackedTime) < (time(nullptr) - time_t(86400L)))
+    if (time_t(eventPackedTime) < (GameTime::GetGameTime().count() - time_t(86400L)))
     {
         recvData.rfinish();
         return;
@@ -449,7 +450,7 @@ void WorldSession::HandleCalendarCopyEvent(WorldPacket& recvData)
 
     // prevent events in the past
     // To Do: properly handle timezones and remove the "- time_t(86400L)" hack
-    if (time_t(eventTime) < (time(nullptr) - time_t(86400L)))
+    if (time_t(eventTime) < (GameTime::GetGameTime().count() - time_t(86400L)))
     {
         recvData.rfinish();
         sCalendarMgr->SendCalendarCommandResult(guid, CALENDAR_ERROR_EVENT_PASSED);
@@ -494,12 +495,12 @@ void WorldSession::HandleCalendarCopyEvent(WorldPacket& recvData)
             }
         }
 
-        if (GetCalendarEventCreationCooldown() > time(nullptr))
+        if (GetCalendarEventCreationCooldown() > GameTime::GetGameTime().count())
         {
             sCalendarMgr->SendCalendarCommandResult(guid, CALENDAR_ERROR_INTERNAL);
             return;
         }
-        SetCalendarEventCreationCooldown(time(nullptr) + CALENDAR_CREATE_EVENT_COOLDOWN);
+        SetCalendarEventCreationCooldown(GameTime::GetGameTime().count() + CALENDAR_CREATE_EVENT_COOLDOWN);
 
         CalendarEvent* newEvent = new CalendarEvent(*oldEvent, sCalendarMgr->GetFreeEventId());
         newEvent->SetEventTime(time_t(eventTime));
@@ -633,7 +634,7 @@ void WorldSession::HandleCalendarEventSignup(WorldPacket& recvData)
         }
 
         CalendarInviteStatus status = tentative ? CALENDAR_STATUS_TENTATIVE : CALENDAR_STATUS_SIGNED_UP;
-        CalendarInvite* invite = new CalendarInvite(sCalendarMgr->GetFreeInviteId(), eventId, guid, guid, time(nullptr), status, CALENDAR_RANK_PLAYER, "");
+        CalendarInvite* invite = new CalendarInvite(sCalendarMgr->GetFreeInviteId(), eventId, guid, guid, GameTime::GetGameTime().count(), status, CALENDAR_RANK_PLAYER, "");
         sCalendarMgr->AddInvite(calendarEvent, invite);
         sCalendarMgr->SendCalendarClearPendingAction(guid);
     }
@@ -665,7 +666,7 @@ void WorldSession::HandleCalendarEventRsvp(WorldPacket& recvData)
         if (CalendarInvite* invite = sCalendarMgr->GetInvite(inviteId))
         {
             invite->SetStatus(CalendarInviteStatus(status));
-            invite->SetStatusTime(time(nullptr));
+            invite->SetStatusTime(GameTime::GetGameTime().count());
 
             sCalendarMgr->UpdateInvite(invite);
             sCalendarMgr->SendCalendarEventStatus(*calendarEvent, *invite);
@@ -725,7 +726,7 @@ void WorldSession::HandleCalendarEventStatus(WorldPacket& recvData)
         if (CalendarInvite* invite = sCalendarMgr->GetInvite(inviteId))
         {
             invite->SetStatus((CalendarInviteStatus)status);
-            invite->SetStatusTime(time(nullptr));
+            invite->SetStatusTime(GameTime::GetGameTime().count());
 
             sCalendarMgr->UpdateInvite(invite);
             sCalendarMgr->SendCalendarEventStatus(*calendarEvent, *invite);
@@ -824,7 +825,7 @@ void WorldSession::HandleSetSavedInstanceExtend(WorldPacket& recvData)
 void WorldSession::SendCalendarRaidLockout(InstanceSave const* save, bool add)
 {
     LOG_DEBUG("network", "%s", add ? "SMSG_CALENDAR_RAID_LOCKOUT_ADDED" : "SMSG_CALENDAR_RAID_LOCKOUT_REMOVED");
-    time_t currTime = time(nullptr);
+    time_t currTime = GameTime::GetGameTime().count();
 
     WorldPacket data(SMSG_CALENDAR_RAID_LOCKOUT_REMOVED, (add ? 4 : 0) + 4 + 4 + 4 + 8);
     if (add)
@@ -842,7 +843,7 @@ void WorldSession::SendCalendarRaidLockout(InstanceSave const* save, bool add)
 
 void WorldSession::SendCalendarRaidLockoutUpdated(InstanceSave const* save, bool isExtended)
 {
-    time_t currTime = time(nullptr);
+    time_t currTime = GameTime::GetGameTime().count();
     time_t resetTime = isExtended ? save->GetExtendedResetTime() : save->GetResetTime();
     time_t resetTimeOp = isExtended ? save->GetResetTime() : save->GetExtendedResetTime();
     WorldPacket data(SMSG_CALENDAR_RAID_LOCKOUT_UPDATED, 4 + 4 + 4 + 4 + 8);
diff --git a/src/server/game/Handlers/CharacterHandler.cpp b/src/server/game/Handlers/CharacterHandler.cpp
index c6d98c3e5f..6c98a4bcc9 100644
--- a/src/server/game/Handlers/CharacterHandler.cpp
+++ b/src/server/game/Handlers/CharacterHandler.cpp
@@ -25,6 +25,7 @@
 #include "Chat.h"
 #include "Common.h"
 #include "DatabaseEnv.h"
+#include "GameTime.h"
 #include "GitRevision.h"
 #include "Group.h"
 #include "Guild.h"
@@ -124,7 +125,7 @@ bool LoginQueryHolder::Initialize()
 
     stmt = CharacterDatabase.GetPreparedStatement(CHAR_SEL_MAIL);
     stmt->setUInt32(0, lowGuid);
-    stmt->setUInt32(1, uint32(time(nullptr)));
+    stmt->setUInt32(1, uint32(GameTime::GetGameTime().count()));
     res &= SetPreparedQuery(PLAYER_LOGIN_QUERY_LOAD_MAILS, stmt);
 
     stmt = CharacterDatabase.GetPreparedStatement(CHAR_SEL_MAILITEMS);
@@ -914,7 +915,7 @@ void WorldSession::HandlePlayerLoginFromDB(LoginQueryHolder const& holder)
     loginStmt->setUInt32(1, GetAccountId());
     LoginDatabase.Execute(loginStmt);
 
-    pCurrChar->SetInGameTime(World::GetGameTimeMS());
+    pCurrChar->SetInGameTime(GameTime::GetGameTimeMS().count());
 
     // announce group about member online (must be after add to player list to receive announce to self)
     if (Group* group = pCurrChar->GetGroup())
@@ -928,7 +929,7 @@ void WorldSession::HandlePlayerLoginFromDB(LoginQueryHolder const& holder)
         if (mapDiff->resetTime)
             if (time_t timeReset = sInstanceSaveMgr->GetResetTimeFor(pCurrChar->GetMap()->GetId(), pCurrChar->GetMap()->GetDifficulty()))
             {
-                uint32 timeleft = uint32(timeReset - time(nullptr));
+                uint32 timeleft = uint32(timeReset - GameTime::GetGameTime().count());
                 pCurrChar->SendInstanceResetWarning(pCurrChar->GetMap()->GetId(), pCurrChar->GetMap()->GetDifficulty(), timeleft, true);
             }
 
@@ -1179,7 +1180,7 @@ void WorldSession::HandlePlayerLoginToCharInWorld(Player* pCurrChar)
     uint32 currZone, currArea;
     pCurrChar->GetZoneAndAreaId(currZone, currArea);
     pCurrChar->SendInitWorldStates(currZone, currArea);
-    pCurrChar->SetInGameTime(World::GetGameTimeMS());
+    pCurrChar->SetInGameTime(GameTime::GetGameTimeMS().count());
 
     // Xinef: we need to resend all spell mods
     for (uint16 Opcode = SMSG_SET_FLAT_SPELL_MODIFIER; Opcode <= SMSG_SET_PCT_SPELL_MODIFIER; ++Opcode) // PCT = FLAT+1
@@ -1224,7 +1225,7 @@ void WorldSession::HandlePlayerLoginToCharInWorld(Player* pCurrChar)
         if (mapDiff->resetTime)
             if (time_t timeReset = sInstanceSaveMgr->GetResetTimeFor(pCurrChar->GetMap()->GetId(), pCurrChar->GetMap()->GetDifficulty()))
             {
-                uint32 timeleft = uint32(timeReset - time(nullptr));
+                uint32 timeleft = uint32(timeReset - GameTime::GetGameTime().count());
                 GetPlayer()->SendInstanceResetWarning(pCurrChar->GetMap()->GetId(), pCurrChar->GetMap()->GetDifficulty(), timeleft, true);
             }
 
diff --git a/src/server/game/Handlers/ChatHandler.cpp b/src/server/game/Handlers/ChatHandler.cpp
index b1b2bc6c87..00ea787d44 100644
--- a/src/server/game/Handlers/ChatHandler.cpp
+++ b/src/server/game/Handlers/ChatHandler.cpp
@@ -21,6 +21,7 @@
 #include "Chat.h"
 #include "ChatPackets.h"
 #include "Common.h"
+#include "GameTime.h"
 #include "GridNotifiersImpl.h"
 #include "Group.h"
 #include "Guild.h"
@@ -297,7 +298,7 @@ void WorldSession::HandleMessagechatOpcode(WorldPacket& recvData)
 
         if (!_player->CanSpeak())
         {
-            std::string timeStr = secsToTimeString(m_muteTime - time(nullptr));
+            std::string timeStr = secsToTimeString(m_muteTime - GameTime::GetGameTime().count());
             SendNotification(GetAcoreString(LANG_WAIT_BEFORE_SPEAKING), timeStr.c_str());
             return;
         }
@@ -729,7 +730,7 @@ void WorldSession::HandleTextEmoteOpcode(WorldPacket& recvData)
 
     if (!GetPlayer()->CanSpeak())
     {
-        std::string timeStr = secsToTimeString(m_muteTime - time(nullptr));
+        std::string timeStr = secsToTimeString(m_muteTime - GameTime::GetGameTime().count());
         SendNotification(GetAcoreString(LANG_WAIT_BEFORE_SPEAKING), timeStr.c_str());
         return;
     }
diff --git a/src/server/game/Handlers/DuelHandler.cpp b/src/server/game/Handlers/DuelHandler.cpp
index 3d55e79e7d..71555f8652 100644
--- a/src/server/game/Handlers/DuelHandler.cpp
+++ b/src/server/game/Handlers/DuelHandler.cpp
@@ -15,6 +15,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "GameTime.h"
 #include "Log.h"
 #include "Opcodes.h"
 #include "Player.h"
@@ -38,7 +39,7 @@ void WorldSession::HandleDuelAcceptedOpcode(WorldPacket& recvPacket)
     LOG_DEBUG("network.opcode", "Player 1 is: %s (%s)", player->GetGUID().ToString().c_str(), player->GetName().c_str());
     LOG_DEBUG("network.opcode", "Player 2 is: %s (%s)", target->GetGUID().ToString().c_str(), target->GetName().c_str());
 
-    time_t now = time(nullptr);
+    time_t now = GameTime::GetGameTime().count();
     player->duel->StartTime = now + 3;
     target->duel->StartTime = now + 3;
 
diff --git a/src/server/game/Handlers/LFGHandler.cpp b/src/server/game/Handlers/LFGHandler.cpp
index 12b9c0b1f7..c78c880b21 100644
--- a/src/server/game/Handlers/LFGHandler.cpp
+++ b/src/server/game/Handlers/LFGHandler.cpp
@@ -15,6 +15,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "GameTime.h"
 #include "Group.h"
 #include "LFGMgr.h"
 #include "ObjectMgr.h"
@@ -524,7 +525,7 @@ void WorldSession::SendLfgBootProposalUpdate(lfg::LfgPlayerBoot const& boot)
     lfg::LfgAnswer playerVote = boot.votes.find(guid)->second;
     uint8 votesNum = 0;
     uint8 agreeNum = 0;
-    uint32 secsleft = boot.cancelTime - time(nullptr);
+    uint32 secsleft = boot.cancelTime - GameTime::GetGameTime().count();
     for (lfg::LfgAnswerContainer::const_iterator it = boot.votes.begin(); it != boot.votes.end(); ++it)
     {
         if (it->second != lfg::LFG_ANSWER_PENDING)
diff --git a/src/server/game/Handlers/MailHandler.cpp b/src/server/game/Handlers/MailHandler.cpp
index a1e51c86b3..7b3a394959 100644
--- a/src/server/game/Handlers/MailHandler.cpp
+++ b/src/server/game/Handlers/MailHandler.cpp
@@ -19,6 +19,7 @@
 #include "CharacterCache.h"
 #include "DBCStores.h"
 #include "DatabaseEnv.h"
+#include "GameTime.h"
 #include "Item.h"
 #include "Language.h"
 #include "Log.h"
@@ -401,7 +402,7 @@ void WorldSession::HandleMailReturnToSender(WorldPacket& recvData)
 
     Player* player = _player;
     Mail* m = player->GetMail(mailId);
-    if (!m || m->state == MAIL_STATE_DELETED || m->deliver_time > time(nullptr))
+    if (!m || m->state == MAIL_STATE_DELETED || m->deliver_time > GameTime::GetGameTime().count())
     {
         player->SendMailResult(mailId, MAIL_RETURNED_TO_SENDER, MAIL_ERR_INTERNAL_ERROR);
         return;
@@ -465,7 +466,7 @@ void WorldSession::HandleMailTakeItem(WorldPacket& recvData)
     Player* player = _player;
 
     Mail* m = player->GetMail(mailId);
-    if (!m || m->state == MAIL_STATE_DELETED || m->deliver_time > time(nullptr))
+    if (!m || m->state == MAIL_STATE_DELETED || m->deliver_time > GameTime::GetGameTime().count())
     {
         player->SendMailResult(mailId, MAIL_ITEM_TAKEN, MAIL_ERR_INTERNAL_ERROR);
         return;
@@ -571,7 +572,7 @@ void WorldSession::HandleMailTakeMoney(WorldPacket& recvData)
     Player* player = _player;
 
     Mail* m = player->GetMail(mailId);
-    if (!m || m->state == MAIL_STATE_DELETED || m->deliver_time > time(nullptr))
+    if (!m || m->state == MAIL_STATE_DELETED || m->deliver_time > GameTime::GetGameTime().count())
     {
         player->SendMailResult(mailId, MAIL_MONEY_TAKEN, MAIL_ERR_INTERNAL_ERROR);
         return;
@@ -613,7 +614,7 @@ void WorldSession::HandleGetMailList(WorldPacket& recvData)
     WorldPacket data(SMSG_MAIL_LIST_RESULT, (200));         // guess size
     data << uint32(0);                                      // real mail's count
     data << uint8(0);                                       // mail's count
-    time_t cur_time = time(nullptr);
+    time_t cur_time = GameTime::GetGameTime().count();
 
     for (Mail const* mail : player->GetMails())
     {
@@ -675,7 +676,7 @@ void WorldSession::HandleGetMailList(WorldPacket& recvData)
         data << uint32(mail->stationery);                               // stationery (Stationery.dbc)
         data << uint32(mail->money);                                    // Gold
         data << uint32(mail->checked);                                  // flags
-        data << float(float(mail->expire_time - time(nullptr)) / DAY);  // Time
+        data << float(float(mail->expire_time - GameTime::GetGameTime().count()) / DAY);  // Time
         data << uint32(mail->mailTemplateId);                           // mail template (MailTemplate.dbc)
         data << subject;                                                // Subject string - once 00, when mail type = 3, max 256
         data << body;                                                   // message? max 8000
@@ -739,7 +740,7 @@ void WorldSession::HandleMailCreateTextItem(WorldPacket& recvData)
     Player* player = _player;
 
     Mail* m = player->GetMail(mailId);
-    if (!m || (m->body.empty() && !m->mailTemplateId) || m->state == MAIL_STATE_DELETED || m->deliver_time > time(nullptr) || (m->checked & MAIL_CHECK_MASK_COPIED))
+    if (!m || (m->body.empty() && !m->mailTemplateId) || m->state == MAIL_STATE_DELETED || m->deliver_time > GameTime::GetGameTime().count() || (m->checked & MAIL_CHECK_MASK_COPIED))
     {
         player->SendMailResult(mailId, MAIL_MADE_PERMANENT, MAIL_ERR_INTERNAL_ERROR);
         return;
@@ -802,7 +803,7 @@ void WorldSession::HandleQueryNextMailTime(WorldPacket& /*recvData*/)
         data << uint32(0);                                 // count
 
         uint32 count = 0;
-        time_t now = time(nullptr);
+        time_t now = GameTime::GetGameTime().count();
         std::set<uint32> sentSenders;
         for (Mail const* mail : _player->GetMails())
         {
diff --git a/src/server/game/Handlers/MiscHandler.cpp b/src/server/game/Handlers/MiscHandler.cpp
index 2af164a836..3cf4ec18db 100644
--- a/src/server/game/Handlers/MiscHandler.cpp
+++ b/src/server/game/Handlers/MiscHandler.cpp
@@ -26,6 +26,7 @@
 #include "DBCEnums.h"
 #include "DatabaseEnv.h"
 #include "GameObjectAI.h"
+#include "GameTime.h"
 #include "GossipDef.h"
 #include "Group.h"
 #include "GuildMgr.h"
@@ -464,7 +465,7 @@ void WorldSession::HandleLogoutRequestOpcode(WorldPackets::Character::LogoutRequ
         GetPlayer()->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_STUNNED);
     }
 
-    SetLogoutStartTime(time(nullptr));
+    SetLogoutStartTime(GameTime::GetGameTime().count());
 }
 
 void WorldSession::HandlePlayerLogoutOpcode(WorldPackets::Character::PlayerLogout& /*playerLogout*/)
@@ -651,7 +652,7 @@ void WorldSession::HandleReclaimCorpseOpcode(WorldPacket& recv_data)
         return;
 
     // prevent resurrect before 30-sec delay after body release not finished
-    if (time_t(corpse->GetGhostTime() + _player->GetCorpseReclaimDelay(corpse->GetType() == CORPSE_RESURRECTABLE_PVP)) > time_t(time(nullptr)))
+    if (time_t(corpse->GetGhostTime() + _player->GetCorpseReclaimDelay(corpse->GetType() == CORPSE_RESURRECTABLE_PVP)) > time_t(GameTime::GetGameTime().count()))
         return;
 
     if (!corpse->IsWithinDistInMap(_player, CORPSE_RECLAIM_RADIUS, true))
@@ -1570,7 +1571,7 @@ void WorldSession::HandleWorldStateUITimerUpdate(WorldPacket& /*recv_data*/)
     LOG_DEBUG("network", "WORLD: CMSG_WORLD_STATE_UI_TIMER_UPDATE");
 
     WorldPacket data(SMSG_WORLD_STATE_UI_TIMER_UPDATE, 4);
-    data << uint32(time(nullptr));
+    data << uint32(GameTime::GetGameTime().count());
     SendPacket(&data);
 }
 
diff --git a/src/server/game/Handlers/MovementHandler.cpp b/src/server/game/Handlers/MovementHandler.cpp
index 7426c40ad9..b9fbf1500b 100644
--- a/src/server/game/Handlers/MovementHandler.cpp
+++ b/src/server/game/Handlers/MovementHandler.cpp
@@ -22,6 +22,7 @@
 #include "Chat.h"
 #include "Corpse.h"
 #include "GameGraveyard.h"
+#include "GameTime.h"
 #include "InstanceSaveMgr.h"
 #include "Log.h"
 #include "MapMgr.h"
@@ -216,7 +217,7 @@ void WorldSession::HandleMoveWorldportAck()
             if (mapDiff->resetTime)
                 if (time_t timeReset = sInstanceSaveMgr->GetResetTimeFor(mEntry->MapID, diff))
                 {
-                    uint32 timeleft = uint32(timeReset - time(nullptr));
+                    uint32 timeleft = uint32(timeReset - GameTime::GetGameTime().count());
                     GetPlayer()->SendInstanceResetWarning(mEntry->MapID, diff, timeleft, true);
                 }
         allowMount = mInstance->AllowMount;
diff --git a/src/server/game/Handlers/PetHandler.cpp b/src/server/game/Handlers/PetHandler.cpp
index 671333b885..b7682d6208 100644
--- a/src/server/game/Handlers/PetHandler.cpp
+++ b/src/server/game/Handlers/PetHandler.cpp
@@ -18,6 +18,7 @@
 #include "Common.h"
 #include "CreatureAI.h"
 #include "DisableMgr.h"
+#include "GameTime.h"
 #include "Group.h"
 #include "Log.h"
 #include "ObjectAccessor.h"
@@ -923,7 +924,7 @@ void WorldSession::HandlePetRename(WorldPacket& recvData)
 
     CharacterDatabase.CommitTransaction(trans);
 
-    pet->SetUInt32Value(UNIT_FIELD_PET_NAME_TIMESTAMP, uint32(time(nullptr))); // cast can't be helped
+    pet->SetUInt32Value(UNIT_FIELD_PET_NAME_TIMESTAMP, uint32(GameTime::GetGameTime().count())); // cast can't be helped
 }
 
 void WorldSession::HandlePetAbandon(WorldPacket& recvData)
diff --git a/src/server/game/Handlers/QueryHandler.cpp b/src/server/game/Handlers/QueryHandler.cpp
index e32c923b08..7d973b1c5f 100644
--- a/src/server/game/Handlers/QueryHandler.cpp
+++ b/src/server/game/Handlers/QueryHandler.cpp
@@ -16,6 +16,7 @@
  */
 
 #include "Common.h"
+#include "GameTime.h"
 #include "Log.h"
 #include "MapMgr.h"
 #include "NPCHandler.h"
@@ -81,9 +82,11 @@ void WorldSession::HandleQueryTimeOpcode(WorldPacket& /*recvData*/)
 
 void WorldSession::SendQueryTimeResponse()
 {
+    auto timeResponse = sWorld->GetNextDailyQuestsResetTime() - GameTime::GetGameTime();
+
     WorldPacket data(SMSG_QUERY_TIME_RESPONSE, 4 + 4);
-    data << uint32(time(nullptr));
-    data << uint32(sWorld->GetNextDailyQuestsResetTime() - time(nullptr));
+    data << uint32(GameTime::GetGameTime().count());
+    data << uint32(timeResponse.count());
     SendPacket(&data);
 }
 
diff --git a/src/server/game/Handlers/TicketHandler.cpp b/src/server/game/Handlers/TicketHandler.cpp
index b7485443a8..acc3528c1e 100644
--- a/src/server/game/Handlers/TicketHandler.cpp
+++ b/src/server/game/Handlers/TicketHandler.cpp
@@ -16,6 +16,7 @@
  */
 
 #include "Chat.h"
+#include "GameTime.h"
 #include "Language.h"
 #include "Opcodes.h"
 #include "Player.h"
@@ -24,7 +25,7 @@
 #include "World.h"
 #include "WorldPacket.h"
 #include "WorldSession.h"
-#include "zlib.h"
+#include <zlib.h>
 
 void WorldSession::HandleGMTicketCreateOpcode(WorldPacket& recvData)
 {
@@ -272,7 +273,7 @@ void WorldSession::HandleReportLag(WorldPacket& recv_data)
     stmt->setFloat (4, y);
     stmt->setFloat (5, z);
     stmt->setUInt32(6, GetLatency());
-    stmt->setUInt32(7, time(nullptr));
+    stmt->setUInt32(7, GameTime::GetGameTime().count());
     CharacterDatabase.Execute(stmt);
 }
 
diff --git a/src/server/game/Instances/InstanceSaveMgr.cpp b/src/server/game/Instances/InstanceSaveMgr.cpp
index 717b2a0d52..2b71465b1a 100644
--- a/src/server/game/Instances/InstanceSaveMgr.cpp
+++ b/src/server/game/Instances/InstanceSaveMgr.cpp
@@ -18,6 +18,7 @@
 #include "InstanceSaveMgr.h"
 #include "Common.h"
 #include "Config.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "GridNotifiersImpl.h"
 #include "Group.h"
@@ -93,7 +94,7 @@ InstanceSave* InstanceSaveMgr::AddInstanceSave(uint32 mapId, uint32 instanceId,
     }
     else
     {
-        resetTime = time(nullptr) + 3 * DAY; // normals expire after 3 days even if someone is still bound to them, cleared on startup
+        resetTime = GameTime::GetGameTime().count() + 3 * DAY; // normals expire after 3 days even if someone is still bound to them, cleared on startup
         extendedResetTime = 0;
     }
     InstanceSave* save = new InstanceSave(mapId, instanceId, difficulty, resetTime, extendedResetTime);
@@ -260,7 +261,7 @@ void InstanceSaveMgr::LoadInstances()
 
 void InstanceSaveMgr::LoadResetTimes()
 {
-    time_t now = time(nullptr);
+    time_t now = GameTime::GetGameTime().count();
     time_t today = (now / DAY) * DAY;
 
     // load the global respawn times for raid/heroic instances
@@ -423,7 +424,7 @@ void InstanceSaveMgr::ScheduleReset(time_t time, InstResetEvent event)
 
 void InstanceSaveMgr::Update()
 {
-    time_t now = time(nullptr);
+    time_t now = GameTime::GetGameTime().count();
     time_t t;
     bool resetOccurred = false;
 
@@ -522,7 +523,7 @@ void InstanceSaveMgr::_ResetOrWarnAll(uint32 mapid, Difficulty difficulty, bool
     if (!mapEntry->Instanceable())
         return;
 
-    time_t now = time(nullptr);
+    time_t now = GameTime::GetGameTime().count();
 
     if (!warn)
     {
diff --git a/src/server/game/Mails/Mail.cpp b/src/server/game/Mails/Mail.cpp
index 0ea6008a21..9d8f9f62da 100644
--- a/src/server/game/Mails/Mail.cpp
+++ b/src/server/game/Mails/Mail.cpp
@@ -21,6 +21,7 @@
 #include "CalendarMgr.h"
 #include "CharacterCache.h"
 #include "DatabaseEnv.h"
+#include "GameTime.h"
 #include "Item.h"
 #include "Log.h"
 #include "ObjectMgr.h"
@@ -206,7 +207,7 @@ void MailDraft::SendMailTo(CharacterDatabaseTransaction trans, MailReceiver cons
 
     uint32 mailId = sObjectMgr->GenerateMailID();
 
-    time_t deliver_time = time(nullptr) + deliver_delay;
+    time_t deliver_time = GameTime::GetGameTime().count() + deliver_delay;
 
     //expire time if COD 3 days, if no COD 30 days, if auction sale pending 1 hour
     uint32 expire_delay;
diff --git a/src/server/game/Maps/Map.cpp b/src/server/game/Maps/Map.cpp
index 188aa22405..a4f2e74a31 100644
--- a/src/server/game/Maps/Map.cpp
+++ b/src/server/game/Maps/Map.cpp
@@ -21,6 +21,7 @@
 #include "Chat.h"
 #include "DisableMgr.h"
 #include "DynamicTree.h"
+#include "GameTime.h"
 #include "Geometry.h"
 #include "GridNotifiers.h"
 #include "GridNotifiersImpl.h"
@@ -2946,7 +2947,7 @@ bool InstanceMap::AddPlayerToMap(Player* player)
         // increase current instances (hourly limit)
         // xinef: specific instances are still limited
         if (!group || !group->isLFGGroup() || !group->IsLfgRandomInstance())
-            player->AddInstanceEnterTime(GetInstanceId(), time(nullptr));
+            player->AddInstanceEnterTime(GetInstanceId(), GameTime::GetGameTime().count());
 
         if (!playerBind->perm && !mapSave->CanReset() && group && !group->isLFGGroup() && !group->IsLfgRandomInstance())
         {
@@ -3297,7 +3298,7 @@ void Map::SaveCreatureRespawnTime(ObjectGuid::LowType spawnId, time_t& respawnTi
         return;
     }
 
-    time_t now = time(nullptr);
+    time_t now = GameTime::GetGameTime().count();
     if (GetInstanceResetPeriod() > 0 && respawnTime - now + 5 >= GetInstanceResetPeriod())
         respawnTime = now + YEAR;
 
@@ -3331,7 +3332,7 @@ void Map::SaveGORespawnTime(ObjectGuid::LowType spawnId, time_t& respawnTime)
         return;
     }
 
-    time_t now = time(nullptr);
+    time_t now = GameTime::GetGameTime().count();
     if (GetInstanceResetPeriod() > 0 && respawnTime - now + 5 >= GetInstanceResetPeriod())
         respawnTime = now + YEAR;
 
@@ -3622,7 +3623,7 @@ Corpse* Map::ConvertCorpseToBones(ObjectGuid const ownerGuid, bool insignia /*=
 
 void Map::RemoveOldCorpses()
 {
-    time_t now = time(nullptr);
+    time_t now = GameTime::GetGameTime().count();
 
     std::vector<ObjectGuid> corpses;
     corpses.reserve(_corpsesByPlayer.size());
diff --git a/src/server/game/Maps/MapMgr.cpp b/src/server/game/Maps/MapMgr.cpp
index dd2956fc3b..51b09800f0 100644
--- a/src/server/game/Maps/MapMgr.cpp
+++ b/src/server/game/Maps/MapMgr.cpp
@@ -16,7 +16,6 @@
  */
 
 #include "MapMgr.h"
-#include "AvgDiffTracker.h"
 #include "Chat.h"
 #include "DatabaseEnv.h"
 #include "GridDefines.h"
@@ -252,13 +251,12 @@ void MapMgr::Update(uint32 diff)
     //if (mapUpdateStep == 0)
     {
         if (m_updater.activated())
+        {
             m_updater.schedule_lfg_update(diff);
+        }
         else
         {
-            uint32 startTime = getMSTime();
             sLFGMgr->Update(diff, 1);
-            uint32 totalTime = getMSTimeDiff(startTime, getMSTime());
-            lfgDiffTracker.Update(10000 + totalTime); // +10k to mark it was NOT multithreaded
         }
     }
 
diff --git a/src/server/game/Maps/MapUpdater.cpp b/src/server/game/Maps/MapUpdater.cpp
index 9156ec5d87..0c1fde4ae9 100644
--- a/src/server/game/Maps/MapUpdater.cpp
+++ b/src/server/game/Maps/MapUpdater.cpp
@@ -16,7 +16,6 @@
  */
 
 #include "MapUpdater.h"
-#include "AvgDiffTracker.h"
 #include "LFGMgr.h"
 #include "Map.h"
 #include "Metric.h"
@@ -59,10 +58,7 @@ public:
 
     void call() override
     {
-        uint32 startTime = getMSTime();
         sLFGMgr->Update(m_diff, 1);
-        uint32 totalTime = getMSTimeDiff(startTime, getMSTime());
-        lfgDiffTracker.Update(totalTime);
         m_updater.update_finished();
     }
 private:
diff --git a/src/server/game/Misc/AvgDiffTracker.h b/src/server/game/Misc/AvgDiffTracker.h
deleted file mode 100644
index 8fa0c250c5..0000000000
--- a/src/server/game/Misc/AvgDiffTracker.h
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Affero General Public License as published by the
- * Free Software Foundation; either version 3 of the License, or (at your
- * option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef __AVGDIFFTRACKER_H
-#define __AVGDIFFTRACKER_H
-
-#include "Common.h"
-#include <cstring>
-
-#define AVG_DIFF_COUNT 500
-
-class AvgDiffTracker
-{
-public:
-    AvgDiffTracker() : total(0), index(0), average(0) { memset(&tab, 0, sizeof(tab)); max[0] = 0; max[1] = 0; }
-
-    uint32 getAverage()
-    {
-        return average;
-    }
-
-    uint32 getTimeWeightedAverage()
-    {
-        if (tab[AVG_DIFF_COUNT - 1] == 0)
-            return 0;
-
-        uint32 sum = 0, weightsum = 0;
-        for (uint32 i = 0; i < AVG_DIFF_COUNT; ++i)
-        {
-            sum += tab[i] * tab[i];
-            weightsum += tab[i];
-        }
-        return sum / weightsum;
-    }
-
-    uint32 getMax()
-    {
-        return max[0] > max[1] ? max[0] : max[1];
-    }
-
-    void Update(uint32 diff)
-    {
-        if (diff < 1)
-            diff = 1;
-        total -= tab[index];
-        total += diff;
-        tab[index] = diff;
-        if (diff > max[0])
-            max[0] = diff;
-        if (++index >= AVG_DIFF_COUNT)
-        {
-            index = 0;
-            max[1] = max[0];
-            max[0] = 0;
-        }
-
-        if (tab[AVG_DIFF_COUNT - 1])
-            average = total / AVG_DIFF_COUNT;
-        else if (index)
-            average = total / index;
-        else
-            average = 0;
-    }
-
-private:
-    uint32 tab[AVG_DIFF_COUNT];
-    uint32 total;
-    uint32 index;
-    uint32 max[2];
-    uint32 average;
-};
-
-extern AvgDiffTracker avgDiffTracker;
-extern AvgDiffTracker lfgDiffTracker;
-extern AvgDiffTracker devDiffTracker;
-
-#endif
diff --git a/src/server/game/Misc/BanMgr.cpp b/src/server/game/Misc/BanMgr.cpp
index 8d1f979c19..7ebb215279 100644
--- a/src/server/game/Misc/BanMgr.cpp
+++ b/src/server/game/Misc/BanMgr.cpp
@@ -18,6 +18,7 @@
 #include "BanMgr.h"
 #include "AccountMgr.h"
 #include "DatabaseEnv.h"
+#include "GameTime.h"
 #include "Language.h"
 #include "ObjectAccessor.h"
 #include "Player.h"
@@ -51,7 +52,7 @@ BanReturn BanMgr::BanAccount(std::string const& AccountName, std::string const&
     stmtAccountBanned->setUInt32(0, AccountID);
 
     PreparedQueryResult banresult = LoginDatabase.Query(stmtAccountBanned);
-    if (banresult && ((*banresult)[0].GetUInt32() == (*banresult)[1].GetUInt32() || ((*banresult)[1].GetUInt32() > time(nullptr) + DurationSecs && DurationSecs)))
+    if (banresult && ((*banresult)[0].GetUInt32() == (*banresult)[1].GetUInt32() || ((*banresult)[1].GetUInt32() > GameTime::GetGameTime().count() + DurationSecs && DurationSecs)))
         return BAN_LONGER_EXISTS;
 
     // make sure there is only one active ban
@@ -113,7 +114,7 @@ BanReturn BanMgr::BanAccountByPlayerName(std::string const& CharacterName, std::
     stmtAccountBanned->setUInt32(0, AccountID);
 
     PreparedQueryResult banresult = LoginDatabase.Query(stmtAccountBanned);
-    if (banresult && ((*banresult)[0].GetUInt32() == (*banresult)[1].GetUInt32() || ((*banresult)[1].GetUInt32() > time(nullptr) + DurationSecs && DurationSecs)))
+    if (banresult && ((*banresult)[0].GetUInt32() == (*banresult)[1].GetUInt32() || ((*banresult)[1].GetUInt32() > GameTime::GetGameTime().count() + DurationSecs && DurationSecs)))
         return BAN_LONGER_EXISTS;
 
     // make sure there is only one active ban
diff --git a/src/server/game/Movement/MotionMaster.cpp b/src/server/game/Movement/MotionMaster.cpp
index 5663d399b3..844874e19e 100644
--- a/src/server/game/Movement/MotionMaster.cpp
+++ b/src/server/game/Movement/MotionMaster.cpp
@@ -21,6 +21,7 @@
 #include "CreatureAISelector.h"
 #include "EscortMovementGenerator.h"
 #include "FleeingMovementGenerator.h"
+#include "GameTime.h"
 #include "HomeMovementGenerator.h"
 #include "IdleMovementGenerator.h"
 #include "Log.h"
@@ -568,7 +569,7 @@ void MotionMaster::MoveFall(uint32 id /*=0*/, bool addFlagForNPC)
     {
         _owner->AddUnitMovementFlag(MOVEMENTFLAG_FALLING);
         _owner->m_movementInfo.SetFallTime(0);
-        _owner->ToPlayer()->SetFallInformation(time(nullptr), _owner->GetPositionZ());
+        _owner->ToPlayer()->SetFallInformation(GameTime::GetGameTime().count(), _owner->GetPositionZ());
     }
     else if (_owner->GetTypeId() == TYPEID_UNIT && addFlagForNPC) // pussywizard
     {
diff --git a/src/server/game/Movement/MovementGenerators/WaypointMovementGenerator.cpp b/src/server/game/Movement/MovementGenerators/WaypointMovementGenerator.cpp
index 2abefcd255..6eab59208b 100644
--- a/src/server/game/Movement/MovementGenerators/WaypointMovementGenerator.cpp
+++ b/src/server/game/Movement/MovementGenerators/WaypointMovementGenerator.cpp
@@ -19,6 +19,7 @@
 #include "Creature.h"
 #include "CreatureAI.h"
 #include "CreatureGroups.h"
+#include "GameTime.h"
 #include "MapMgr.h"
 #include "MoveSpline.h"
 #include "MoveSplineInit.h"
@@ -316,7 +317,7 @@ void FlightPathMovementGenerator::DoFinalize(Player* player)
         // this prevent cheating with landing  point at lags
         // when client side flight end early in comparison server side
         player->StopMoving();
-        player->SetFallInformation(time(nullptr), player->GetPositionZ());
+        player->SetFallInformation(GameTime::GetGameTime().count(), player->GetPositionZ());
     }
 
     player->RemoveFlag(PLAYER_FLAGS, PLAYER_FLAGS_TAXI_BENCHMARK);
@@ -409,7 +410,7 @@ bool FlightPathMovementGenerator::DoUpdate(Player* player, uint32 /*diff*/)
             if (i_currentNode >= i_path.size() - 1)
             {
                 player->CleanupAfterTaxiFlight();
-                player->SetFallInformation(time(nullptr), player->GetPositionZ());
+                player->SetFallInformation(GameTime::GetGameTime().count(), player->GetPositionZ());
                 if (player->pvpInfo.IsHostile)
                     player->CastSpell(player, 2479, true);
 
diff --git a/src/server/game/Movement/Spline/MoveSpline.cpp b/src/server/game/Movement/Spline/MoveSpline.cpp
index 30b8315784..59ec1aebab 100644
--- a/src/server/game/Movement/Spline/MoveSpline.cpp
+++ b/src/server/game/Movement/Spline/MoveSpline.cpp
@@ -107,14 +107,16 @@ namespace Movement
 
     struct CommonInitializer
     {
-        CommonInitializer(float _velocity) : velocityInv(1000.f / _velocity), time(minimal_duration) {}
-        float velocityInv;
-        int32 time;
+        CommonInitializer(float _velocity) : velocityInv(1000.f / _velocity), _time(minimal_duration) {}
+
         inline int32 operator()(Spline<int32>& s, int32 i)
         {
-            time += (s.SegLength(i) * velocityInv);
-            return time;
+            _time += (s.SegLength(i) * velocityInv);
+            return _time;
         }
+
+        float velocityInv;
+        int32 _time;
     };
 
     void MoveSpline::init_spline(const MoveSplineInitArgs& args)
diff --git a/src/server/game/Scripting/MapScripts.cpp b/src/server/game/Scripting/MapScripts.cpp
index 97d9ce5b69..54d8f78a03 100644
--- a/src/server/game/Scripting/MapScripts.cpp
+++ b/src/server/game/Scripting/MapScripts.cpp
@@ -16,6 +16,7 @@
  */
 
 #include "CellImpl.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "GridNotifiersImpl.h"
 #include "Map.h"
@@ -53,7 +54,7 @@ void Map::ScriptsStart(ScriptMapMap const& scripts, uint32 id, Object* source, O
         sa.ownerGUID  = ownerGUID;
 
         sa.script = &iter->second;
-        m_scriptSchedule.insert(ScriptScheduleMap::value_type(time_t(sWorld->GetGameTime() + iter->first), sa));
+        m_scriptSchedule.insert(ScriptScheduleMap::value_type(time_t(GameTime::GetGameTime().count() + iter->first), sa));
         if (iter->first == 0)
             immedScript = true;
 
@@ -83,7 +84,7 @@ void Map::ScriptCommandStart(ScriptInfo const& script, uint32 delay, Object* sou
     sa.ownerGUID  = ownerGUID;
 
     sa.script = &script;
-    m_scriptSchedule.insert(ScriptScheduleMap::value_type(time_t(sWorld->GetGameTime() + delay), sa));
+    m_scriptSchedule.insert(ScriptScheduleMap::value_type(time_t(GameTime::GetGameTime().count() + delay), sa));
 
     sScriptMgr->IncreaseScheduledScriptsCount();
 
@@ -284,7 +285,7 @@ void Map::ScriptsProcess()
     ///- Process overdue queued scripts
     ScriptScheduleMap::iterator iter = m_scriptSchedule.begin();
     // ok as multimap is a *sorted* associative container
-    while (!m_scriptSchedule.empty() && (iter->first <= sWorld->GetGameTime()))
+    while (!m_scriptSchedule.empty() && (iter->first <= GameTime::GetGameTime().count()))
     {
         ScriptAction const& step = iter->second;
 
diff --git a/src/server/game/Scripting/ScriptMgr.h b/src/server/game/Scripting/ScriptMgr.h
index 07689bcdff..4dd381abf5 100644
--- a/src/server/game/Scripting/ScriptMgr.h
+++ b/src/server/game/Scripting/ScriptMgr.h
@@ -1741,7 +1741,7 @@ public:
 
     [[nodiscard]] virtual bool IsCompletedCriteria(AchievementMgr* /*mgr*/, AchievementCriteriaEntry const* /*achievementCriteria*/, AchievementEntry const* /*achievement*/, CriteriaProgress const* /*progress*/) { return true; }
 
-    [[nodiscard]] virtual bool IsRealmCompleted(AchievementGlobalMgr const* /*globalmgr*/, AchievementEntry const* /*achievement*/, std::chrono::system_clock::time_point /*completionTime*/) { return true; }
+    [[nodiscard]] virtual bool IsRealmCompleted(AchievementGlobalMgr const* /*globalmgr*/, AchievementEntry const* /*achievement*/, SystemTimePoint /*completionTime*/) { return true; }
 
     virtual void OnBeforeCheckCriteria(AchievementMgr* /*mgr*/, AchievementCriteriaEntryList const* /*achievementCriteriaList*/) { }
 
diff --git a/src/server/game/Server/Protocol/PacketLog.cpp b/src/server/game/Server/Protocol/PacketLog.cpp
index 8479c8616d..2047bf84b9 100644
--- a/src/server/game/Server/Protocol/PacketLog.cpp
+++ b/src/server/game/Server/Protocol/PacketLog.cpp
@@ -17,6 +17,7 @@
 
 #include "PacketLog.h"
 #include "Config.h"
+#include "GameTime.h"
 #include "IpAddress.h"
 #include "Timer.h"
 #include "WorldPacket.h"
@@ -99,7 +100,7 @@ void PacketLog::Initialize()
         header.Build = 12340;
         header.Locale[0] = 'e'; header.Locale[1] = 'n'; header.Locale[2] = 'U'; header.Locale[3] = 'S';
         std::memset(header.SessionKey, 0, sizeof(header.SessionKey));
-        header.SniffStartUnixtime = time(nullptr);
+        header.SniffStartUnixtime = GameTime::GetGameTime().count();
         header.SniffStartTicks = getMSTime();
         header.OptionalDataSize = 0;
 
diff --git a/src/server/game/Server/WorldSession.cpp b/src/server/game/Server/WorldSession.cpp
index d1e8b41cca..1a0d647392 100644
--- a/src/server/game/Server/WorldSession.cpp
+++ b/src/server/game/Server/WorldSession.cpp
@@ -25,6 +25,7 @@
 #include "CharacterPackets.h"
 #include "Common.h"
 #include "DatabaseEnv.h"
+#include "GameTime.h"
 #include "Group.h"
 #include "Guild.h"
 #include "GuildMgr.h"
@@ -219,13 +220,13 @@ void WorldSession::SendPacket(WorldPacket const* packet)
     static uint64 sendPacketCount = 0;
     static uint64 sendPacketBytes = 0;
 
-    static time_t firstTime = time(nullptr);
+    static time_t firstTime = GameTime::GetGameTime().count();
     static time_t lastTime = firstTime;                     // next 60 secs start time
 
     static uint64 sendLastPacketCount = 0;
     static uint64 sendLastPacketBytes = 0;
 
-    time_t cur_time = time(nullptr);
+    time_t cur_time = GameTime::GetGameTime().count();
 
     if ((cur_time - lastTime) < 60)
     {
@@ -306,7 +307,7 @@ bool WorldSession::Update(uint32 diff, PacketFilter& updater)
     bool deletePacket = true;
     std::vector<WorldPacket*> requeuePackets;
     uint32 processedPackets = 0;
-    time_t currentTime = time(nullptr);
+    time_t currentTime = GameTime::GetGameTime().count();
 
     while (m_Socket && _recvQueue.next(packet, updater))
     {
@@ -510,7 +511,7 @@ void WorldSession::HandleTeleportTimeout(bool updateInSessions)
     // pussywizard: handle teleport ack timeout
     if (m_Socket && m_Socket->IsOpen() && GetPlayer() && GetPlayer()->IsBeingTeleported())
     {
-        time_t currTime = time(nullptr);
+        time_t currTime = GameTime::GetGameTime().count();
         if (updateInSessions) // session update from World::UpdateSessions
         {
             if (GetPlayer()->IsBeingTeleportedFar() && GetPlayer()->GetSemaphoreTeleportFar() + sWorld->getIntConfig(CONFIG_TELEPORT_TIMEOUT_FAR) < currTime)
@@ -897,7 +898,7 @@ void WorldSession::SetAccountData(AccountDataType type, time_t tm, std::string c
 void WorldSession::SendAccountDataTimes(uint32 mask)
 {
     WorldPacket data(SMSG_ACCOUNT_DATA_TIMES, 4 + 1 + 4 + 8 * 4); // changed in WotLK
-    data << uint32(time(nullptr));                             // unix time of something
+    data << uint32(GameTime::GetGameTime().count());                             // unix time of something
     data << uint8(1);
     data << uint32(mask);                                   // type mask
     for (uint32 i = 0; i < NUM_ACCOUNT_DATA_TYPES; ++i)
diff --git a/src/server/game/Server/WorldSocket.cpp b/src/server/game/Server/WorldSocket.cpp
index 17761099ab..2f2c918e0b 100644
--- a/src/server/game/Server/WorldSocket.cpp
+++ b/src/server/game/Server/WorldSocket.cpp
@@ -21,6 +21,7 @@
 #include "CryptoHash.h"
 #include "CryptoRandom.h"
 #include "DatabaseEnv.h"
+#include "GameTime.h"
 #include "IPLocation.h"
 #include "Opcodes.h"
 #include "PacketLog.h"
@@ -357,7 +358,7 @@ WorldSocket::ReadDataHandlerResult WorldSocket::ReadDataHandler()
                 _worldSession->ResetTimeOutTime(true);
             return ReadDataHandlerResult::Ok;
         case CMSG_TIME_SYNC_RESP:
-            packetToQueue = new WorldPacket(std::move(packet), std::chrono::steady_clock::now());
+            packetToQueue = new WorldPacket(std::move(packet), GameTime::Now());
             break;
         default:
             packetToQueue = new WorldPacket(std::move(packet));
@@ -556,7 +557,7 @@ void WorldSocket::HandleAuthSessionCallback(std::shared_ptr<AuthSession> authSes
     //! Negative mutetime indicates amount of minutes to be muted effective on next login - which is now.
     if (account.MuteTime < 0)
     {
-        account.MuteTime = time(nullptr) + llabs(account.MuteTime);
+        account.MuteTime = GameTime::GetGameTime().count() + llabs(account.MuteTime);
 
         auto* stmt = LoginDatabase.GetPreparedStatement(LOGIN_UPD_MUTE_TIME_LOGIN);
         stmt->setInt64(0, account.MuteTime);
diff --git a/src/server/game/Spells/Auras/SpellAuraEffects.cpp b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
index 4436a7f89f..07c90ed132 100644
--- a/src/server/game/Spells/Auras/SpellAuraEffects.cpp
+++ b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
@@ -20,6 +20,7 @@
 #include "Battleground.h"
 #include "CellImpl.h"
 #include "Common.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "InstanceScript.h"
 #include "Log.h"
@@ -2944,7 +2945,7 @@ void AuraEffect::HandleAuraFeatherFall(AuraApplication const* aurApp, uint8 mode
 
     // start fall from current height
     if (!apply && target->GetTypeId() == TYPEID_PLAYER)
-        target->ToPlayer()->SetFallInformation(time(nullptr), target->GetPositionZ());
+        target->ToPlayer()->SetFallInformation(GameTime::GetGameTime().count(), target->GetPositionZ());
 }
 
 void AuraEffect::HandleAuraHover(AuraApplication const* aurApp, uint8 mode, bool apply) const
diff --git a/src/server/game/Spells/Auras/SpellAuras.cpp b/src/server/game/Spells/Auras/SpellAuras.cpp
index 2c389ed952..3105474ddd 100644
--- a/src/server/game/Spells/Auras/SpellAuras.cpp
+++ b/src/server/game/Spells/Auras/SpellAuras.cpp
@@ -18,6 +18,7 @@
 #include "ArenaSpectator.h"
 #include "CellImpl.h"
 #include "Common.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "Log.h"
 #include "ObjectAccessor.h"
@@ -407,7 +408,7 @@ Aura* Aura::Create(SpellInfo const* spellproto, uint8 effMask, WorldObject* owne
 
 Aura::Aura(SpellInfo const* spellproto, WorldObject* owner, Unit* caster, Item* castItem, ObjectGuid casterGUID, ObjectGuid itemGUID /*= ObjectGuid::Empty*/) :
     m_spellInfo(spellproto), m_casterGuid(casterGUID ? casterGUID : caster->GetGUID()),
-    m_castItemGuid(itemGUID ? itemGUID : castItem ? castItem->GetGUID() : ObjectGuid::Empty), m_castItemEntry(castItem ? castItem->GetEntry() : 0), m_applyTime(time(nullptr)),
+    m_castItemGuid(itemGUID ? itemGUID : castItem ? castItem->GetGUID() : ObjectGuid::Empty), m_castItemEntry(castItem ? castItem->GetEntry() : 0), m_applyTime(GameTime::GetGameTime().count()),
     m_owner(owner), m_timeCla(0), m_updateTargetMapInterval(0),
     m_casterLevel(caster ? caster->getLevel() : m_spellInfo->SpellLevel), m_procCharges(0), m_stackAmount(1),
     m_isRemoved(false), m_isSingleTarget(false), m_isUsingCharges(false), m_triggeredByAuraSpellInfo(nullptr)
@@ -2134,7 +2135,7 @@ bool Aura::IsProcOnCooldown() const
 {
     /*if (m_procCooldown)
     {
-        if (m_procCooldown > time(nullptr))
+        if (m_procCooldown > GameTime::GetGameTime().count())
             return true;
     }*/
     return false;
@@ -2142,7 +2143,7 @@ bool Aura::IsProcOnCooldown() const
 
 void Aura::AddProcCooldown(uint32 /*msec*/)
 {
-    //m_procCooldown = time(nullptr) + msec;
+    //m_procCooldown = GameTime::GetGameTime().count() + msec;
 }
 
 void Aura::PrepareProcToTrigger(AuraApplication* aurApp, ProcEventInfo& eventInfo)
diff --git a/src/server/game/Spells/Spell.cpp b/src/server/game/Spells/Spell.cpp
index 3d5d9f29f6..1473a2586b 100644
--- a/src/server/game/Spells/Spell.cpp
+++ b/src/server/game/Spells/Spell.cpp
@@ -26,6 +26,7 @@
 #include "DisableMgr.h"
 #include "DynamicObject.h"
 #include "GameObjectAI.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "GridNotifiersImpl.h"
 #include "Group.h"
@@ -2440,7 +2441,7 @@ void Spell::DoAllEffectOnTarget(TargetInfo* target)
 
     // Xinef: absorb delayed projectiles for 500ms
     if (getState() == SPELL_STATE_DELAYED && !m_spellInfo->IsTargetingArea() && !m_spellInfo->IsPositive() &&
-            (World::GetGameTimeMS() - target->timeDelay) <= effectUnit->m_lastSanctuaryTime && World::GetGameTimeMS() < (effectUnit->m_lastSanctuaryTime + 500) &&
+            (GameTime::GetGameTimeMS().count() - target->timeDelay) <= effectUnit->m_lastSanctuaryTime && GameTime::GetGameTimeMS().count() < (effectUnit->m_lastSanctuaryTime + 500) &&
             effectUnit->FindMap() && !effectUnit->FindMap()->IsDungeon()
        )
         return;                                             // No missinfo in that case
@@ -4461,7 +4462,7 @@ void Spell::SendSpellGo()
     data << uint8(m_cast_count);                            // pending spell cast?
     data << uint32(m_spellInfo->Id);                        // spellId
     data << uint32(castFlags);                              // cast flags
-    data << uint32(World::GetGameTimeMS());                 // timestamp
+    data << uint32(GameTime::GetGameTimeMS().count());                 // timestamp
 
     WriteSpellGoTargets(&data);
 
@@ -4961,7 +4962,7 @@ void Spell::TakePower()
 
     // Set the five second timer
     if (PowerType == POWER_MANA && m_powerCost > 0)
-        m_caster->SetLastManaUse(World::GetGameTimeMS());
+        m_caster->SetLastManaUse(GameTime::GetGameTimeMS().count());
 }
 
 void Spell::TakeAmmo()
@@ -6030,7 +6031,7 @@ SpellCastResult Spell::CheckCast(bool strict)
                         return SPELL_FAILED_BAD_TARGETS;
 
                     // Xinef: Implement summon pending error
-                    if (target->GetSummonExpireTimer() > time(nullptr))
+                    if (target->GetSummonExpireTimer() > GameTime::GetGameTime().count())
                         return SPELL_FAILED_SUMMON_PENDING;
 
                     // check if our map is dungeon
@@ -6070,7 +6071,7 @@ SpellCastResult Spell::CheckCast(bool strict)
                         return SPELL_FAILED_BAD_TARGETS;
 
                     // Xinef: Implement summon pending error
-                    if (target->GetSummonExpireTimer() > time(nullptr))
+                    if (target->GetSummonExpireTimer() > GameTime::GetGameTime().count())
                         return SPELL_FAILED_SUMMON_PENDING;
 
                     break;
diff --git a/src/server/game/Spells/SpellEffects.cpp b/src/server/game/Spells/SpellEffects.cpp
index f9f38c4bcf..b1b8409422 100644
--- a/src/server/game/Spells/SpellEffects.cpp
+++ b/src/server/game/Spells/SpellEffects.cpp
@@ -28,6 +28,7 @@
 #include "Formulas.h"
 #include "GameObject.h"
 #include "GameObjectAI.h"
+#include "GameTime.h"
 #include "GossipDef.h"
 #include "GridNotifiers.h"
 #include "Group.h"
@@ -686,7 +687,7 @@ void Spell::EffectDummy(SpellEffIndex effIndex)
                     case 17731:
                     case 69294:
                         {
-                            if( !gameObjTarget || gameObjTarget->GetRespawnTime() > time(nullptr) )
+                            if( !gameObjTarget || gameObjTarget->GetRespawnTime() > GameTime::GetGameTime().count() )
                                 return;
 
                             gameObjTarget->SetRespawnTime(10);
@@ -4305,7 +4306,7 @@ void Spell::EffectSanctuary(SpellEffIndex /*effIndex*/)
     }
 
     // Xinef: Set last sanctuary time
-    unitTarget->m_lastSanctuaryTime = World::GetGameTimeMS();
+    unitTarget->m_lastSanctuaryTime = GameTime::GetGameTimeMS().count();
 
     // Vanish allows to remove all threat and cast regular stealth so other spells can be used
     if (m_caster->GetTypeId() == TYPEID_PLAYER
@@ -5079,7 +5080,7 @@ void Spell::EffectCharge(SpellEffIndex /*effIndex*/)
 
         // charge changes fall time
         if( m_caster->GetTypeId() == TYPEID_PLAYER )
-            m_caster->ToPlayer()->SetFallInformation(time(nullptr), m_caster->GetPositionZ());
+            m_caster->ToPlayer()->SetFallInformation(GameTime::GetGameTime().count(), m_caster->GetPositionZ());
 
         ObjectGuid targetGUID = ObjectGuid::Empty;
         if (!m_spellInfo->IsPositive() && m_caster->GetTypeId() == TYPEID_PLAYER && m_caster->GetTarget() == unitTarget->GetGUID())
@@ -5224,7 +5225,7 @@ void Spell::EffectLeapBack(SpellEffIndex effIndex)
 
     // xinef: changes fall time
     if (m_caster->GetTypeId() == TYPEID_PLAYER)
-        m_caster->ToPlayer()->SetFallInformation(time(nullptr), m_caster->GetPositionZ());
+        m_caster->ToPlayer()->SetFallInformation(GameTime::GetGameTime().count(), m_caster->GetPositionZ());
 }
 
 void Spell::EffectQuestClear(SpellEffIndex effIndex)
diff --git a/src/server/game/Tickets/TicketMgr.cpp b/src/server/game/Tickets/TicketMgr.cpp
index e25706da3f..352da72e1a 100644
--- a/src/server/game/Tickets/TicketMgr.cpp
+++ b/src/server/game/Tickets/TicketMgr.cpp
@@ -20,6 +20,7 @@
 #include "Chat.h"
 #include "Common.h"
 #include "DatabaseEnv.h"
+#include "GameTime.h"
 #include "Language.h"
 #include "Log.h"
 #include "Opcodes.h"
@@ -28,14 +29,14 @@
 #include "WorldPacket.h"
 #include "WorldSession.h"
 
-inline float GetAge(uint64 t) { return float(time(nullptr) - t) / DAY; }
+inline float GetAge(uint64 t) { return float(GameTime::GetGameTime().count() - t) / DAY; }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 // GM ticket
 GmTicket::GmTicket() : _id(0), _type(TICKET_TYPE_OPEN), _posX(0), _posY(0), _posZ(0), _mapId(0), _createTime(0), _lastModifiedTime(0),
     _completed(false), _escalatedStatus(TICKET_UNASSIGNED), _viewed(false), _needResponse(false), _needMoreHelp(false) { }
 
-GmTicket::GmTicket(Player* player) : _type(TICKET_TYPE_OPEN), _createTime(time(nullptr)), _lastModifiedTime(time(nullptr)),
+GmTicket::GmTicket(Player* player) : _type(TICKET_TYPE_OPEN), _createTime(GameTime::GetGameTime().count()), _lastModifiedTime(GameTime::GetGameTime().count()),
     _completed(false), _escalatedStatus(TICKET_UNASSIGNED), _viewed(false), _needMoreHelp(false)
 {
     _id = sTicketMgr->GenerateTicketId();
@@ -159,7 +160,7 @@ void GmTicket::SendResponse(WorldSession* session) const
 
 std::string GmTicket::FormatMessageString(ChatHandler& handler, bool detailed) const
 {
-    time_t curTime = time(nullptr);
+    time_t curTime = GameTime::GetGameTime().count();
 
     std::stringstream ss;
     ss << handler.PGetParseString(LANG_COMMAND_TICKETLISTGUID, _id);
@@ -252,9 +253,15 @@ void GmTicket::SetChatLog(std::list<uint32> time, std::string const& log)
     _chatLog = newss.str();
 }
 
+void GmTicket::SetMessage(std::string const& message)
+{
+    _message = message;
+    _lastModifiedTime = uint64(GameTime::GetGameTime().count());
+}
+
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 // Ticket manager
-TicketMgr::TicketMgr() : _status(true), _lastTicketId(0), _lastSurveyId(0), _openTicketCount(0), _lastChange(time(nullptr)) { }
+TicketMgr::TicketMgr() : _status(true), _lastTicketId(0), _lastSurveyId(0), _openTicketCount(0), _lastChange(GameTime::GetGameTime().count()) { }
 
 TicketMgr::~TicketMgr()
 {
@@ -430,3 +437,8 @@ void TicketMgr::SendTicket(WorldSession* session, GmTicket* ticket) const
 
     session->SendPacket(&data);
 }
+
+void TicketMgr::UpdateLastChange()
+{
+    _lastChange = GameTime::GetGameTime().count();
+}
diff --git a/src/server/game/Tickets/TicketMgr.h b/src/server/game/Tickets/TicketMgr.h
index 3e1b2a9a1f..c5538489ab 100644
--- a/src/server/game/Tickets/TicketMgr.h
+++ b/src/server/game/Tickets/TicketMgr.h
@@ -130,11 +130,7 @@ public:
     void SetClosedBy(ObjectGuid value) { _closedBy = value; _type = TICKET_TYPE_CLOSED; }
     void SetResolvedBy(ObjectGuid value) { _resolvedBy = value; }
     void SetCompleted() { _completed = true; }
-    void SetMessage(std::string const& message)
-    {
-        _message = message;
-        _lastModifiedTime = uint64(time(nullptr));
-    }
+    void SetMessage(std::string const& message);
     void SetComment(std::string const& comment) { _comment = comment; }
     void SetViewed() { _viewed = true; }
     void SetUnassigned();
@@ -232,7 +228,7 @@ public:
     void SetStatus(bool status) { _status = status; }
 
     uint64 GetLastChange() const { return _lastChange; }
-    void UpdateLastChange() { _lastChange = uint64(time(nullptr)); }
+    void UpdateLastChange();
 
     uint32 GenerateTicketId() { return ++_lastTicketId; }
     uint32 GetOpenTicketCount() const { return _openTicketCount; }
diff --git a/src/server/game/Time/GameTime.cpp b/src/server/game/Time/GameTime.cpp
new file mode 100644
index 0000000000..3dbcbc0f25
--- /dev/null
+++ b/src/server/game/Time/GameTime.cpp
@@ -0,0 +1,70 @@
+/*
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by the
+ * Free Software Foundation; either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "GameTime.h"
+#include "Timer.h"
+
+namespace GameTime
+{
+    using namespace std::chrono;
+
+    Seconds const StartTime = GetEpochTime();
+
+    Seconds GameTime = GetEpochTime();
+    Milliseconds GameMSTime = 0ms;
+
+    SystemTimePoint GameTimeSystemPoint = SystemTimePoint::min();
+    TimePoint GameTimeSteadyPoint = TimePoint::min();
+
+    Seconds GetStartTime()
+    {
+        return StartTime;
+    }
+
+    Seconds GetGameTime()
+    {
+        return GameTime;
+    }
+
+    Milliseconds GetGameTimeMS()
+    {
+        return GameMSTime;
+    }
+
+    SystemTimePoint GetSystemTime()
+    {
+        return GameTimeSystemPoint;
+    }
+
+    TimePoint Now()
+    {
+        return GameTimeSteadyPoint;
+    }
+
+    Seconds GetUptime()
+    {
+        return GameTime - StartTime;
+    }
+
+    void UpdateGameTimers()
+    {
+        GameTime = GetEpochTime();
+        GameMSTime = GetTimeMS();
+        GameTimeSystemPoint = system_clock::now();
+        GameTimeSteadyPoint = steady_clock::now();
+    }
+}
diff --git a/src/server/game/Misc/AvgDiffTracker.cpp b/src/server/game/Time/GameTime.h
index b59db17862..3350a14d40 100644
--- a/src/server/game/Misc/AvgDiffTracker.cpp
+++ b/src/server/game/Time/GameTime.h
@@ -15,8 +15,34 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "AvgDiffTracker.h"
+#ifndef __GAMETIME_H
+#define __GAMETIME_H
 
-AvgDiffTracker avgDiffTracker;
-AvgDiffTracker lfgDiffTracker;
-AvgDiffTracker devDiffTracker;
+#include "Define.h"
+#include "Duration.h"
+
+namespace GameTime
+{
+    // Server start time
+    AC_GAME_API Seconds GetStartTime();
+
+    // Current server time (unix)
+    AC_GAME_API Seconds GetGameTime();
+
+    // Milliseconds since server start
+    AC_GAME_API Milliseconds GetGameTimeMS();
+
+    /// Current chrono system_clock time point
+    AC_GAME_API SystemTimePoint GetSystemTime();
+
+    /// Current chrono steady_clock time point
+    AC_GAME_API TimePoint Now();
+
+    /// Uptime
+    AC_GAME_API Seconds GetUptime();
+
+    /// Update all timers
+    void UpdateGameTimers();
+}
+
+#endif
diff --git a/src/server/game/Time/UpdateTime.cpp b/src/server/game/Time/UpdateTime.cpp
new file mode 100644
index 0000000000..535a9ed981
--- /dev/null
+++ b/src/server/game/Time/UpdateTime.cpp
@@ -0,0 +1,124 @@
+/*
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by the
+ * Free Software Foundation; either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "UpdateTime.h"
+#include "Config.h"
+#include "Log.h"
+#include "Timer.h"
+
+// create instance
+WorldUpdateTime sWorldUpdateTime;
+
+UpdateTime::UpdateTime()
+{
+    _averageUpdateTime = 0;
+    _totalUpdateTime = 0;
+    _updateTimeTableIndex = 0;
+    _maxUpdateTime = 0;
+    _maxUpdateTimeOfLastTable = 0;
+    _maxUpdateTimeOfCurrentTable = 0;
+
+    _updateTimeDataTable = { };
+}
+
+uint32 UpdateTime::GetAverageUpdateTime() const
+{
+    return _averageUpdateTime;
+}
+
+uint32 UpdateTime::GetTimeWeightedAverageUpdateTime() const
+{
+    uint32 sum = 0, weightsum = 0;
+
+    for (uint32 diff : _updateTimeDataTable)
+    {
+        sum += diff * diff;
+        weightsum += diff;
+    }
+
+    if (weightsum == 0)
+        return 0;
+
+    return sum / weightsum;
+}
+
+uint32 UpdateTime::GetMaxUpdateTime() const
+{
+    return _maxUpdateTime;
+}
+
+uint32 UpdateTime::GetMaxUpdateTimeOfCurrentTable() const
+{
+    return std::max(_maxUpdateTimeOfCurrentTable, _maxUpdateTimeOfLastTable);
+}
+
+uint32 UpdateTime::GetLastUpdateTime() const
+{
+    return _updateTimeDataTable[_updateTimeTableIndex != 0 ? _updateTimeTableIndex - 1 : _updateTimeDataTable.size() - 1];
+}
+
+void UpdateTime::UpdateWithDiff(uint32 diff)
+{
+    _totalUpdateTime = _totalUpdateTime - _updateTimeDataTable[_updateTimeTableIndex] + diff;
+    _updateTimeDataTable[_updateTimeTableIndex] = diff;
+
+    if (diff > _maxUpdateTime)
+        _maxUpdateTime = diff;
+
+    if (diff > _maxUpdateTimeOfCurrentTable)
+        _maxUpdateTimeOfCurrentTable = diff;
+
+    if (++_updateTimeTableIndex >= _updateTimeDataTable.size())
+    {
+        _updateTimeTableIndex = 0;
+        _maxUpdateTimeOfLastTable = _maxUpdateTimeOfCurrentTable;
+        _maxUpdateTimeOfCurrentTable = 0;
+    }
+
+    if (_updateTimeDataTable[_updateTimeDataTable.size() - 1])
+        _averageUpdateTime = _totalUpdateTime / _updateTimeDataTable.size();
+    else if (_updateTimeTableIndex)
+        _averageUpdateTime = _totalUpdateTime / _updateTimeTableIndex;
+}
+
+void UpdateTime::RecordUpdateTimeReset()
+{
+    _recordedTime = GetTimeMS();
+}
+
+void WorldUpdateTime::LoadFromConfig()
+{
+    _recordUpdateTimeInverval = Milliseconds(sConfigMgr->GetOption<uint32>("RecordUpdateTimeDiffInterval", 60000));
+    _recordUpdateTimeMin = Milliseconds(sConfigMgr->GetOption<uint32>("MinRecordUpdateTimeDiff", 100));
+}
+
+void WorldUpdateTime::SetRecordUpdateTimeInterval(Milliseconds t)
+{
+    _recordUpdateTimeInverval = t;
+}
+
+void WorldUpdateTime::RecordUpdateTime(Milliseconds gameTimeMs, uint32 diff, uint32 sessionCount)
+{
+    if (_recordUpdateTimeInverval > 0s && diff > _recordUpdateTimeMin.count())
+    {
+        if (GetMSTimeDiff(_lastRecordTime, gameTimeMs) > _recordUpdateTimeInverval)
+        {
+            FMT_LOG_INFO("time.update", "Update time diff: {}. Players online: {}.", GetAverageUpdateTime(), sessionCount);
+            _lastRecordTime = gameTimeMs;
+        }
+    }
+}
diff --git a/src/server/game/Time/UpdateTime.h b/src/server/game/Time/UpdateTime.h
new file mode 100644
index 0000000000..b95f74060d
--- /dev/null
+++ b/src/server/game/Time/UpdateTime.h
@@ -0,0 +1,75 @@
+/*
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by the
+ * Free Software Foundation; either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __UPDATETIME_H
+#define __UPDATETIME_H
+
+#include "Define.h"
+#include "Duration.h"
+#include <array>
+#include <string>
+
+constexpr auto AVG_DIFF_COUNT = 500;
+
+class AC_GAME_API UpdateTime
+{
+using DiffTableArray = std::array<uint32, AVG_DIFF_COUNT>;
+
+public:
+    uint32 GetAverageUpdateTime() const;
+    uint32 GetTimeWeightedAverageUpdateTime() const;
+    uint32 GetMaxUpdateTime() const;
+    uint32 GetMaxUpdateTimeOfCurrentTable() const;
+    uint32 GetLastUpdateTime() const;
+
+    void UpdateWithDiff(uint32 diff);
+
+    void RecordUpdateTimeReset();
+
+protected:
+    UpdateTime();
+
+private:
+    DiffTableArray _updateTimeDataTable;
+    uint32 _averageUpdateTime;
+    uint32 _totalUpdateTime;
+    uint32 _updateTimeTableIndex;
+    uint32 _maxUpdateTime;
+    uint32 _maxUpdateTimeOfLastTable;
+    uint32 _maxUpdateTimeOfCurrentTable;
+
+    Milliseconds _recordedTime;
+};
+
+class AC_GAME_API WorldUpdateTime : public UpdateTime
+{
+public:
+    WorldUpdateTime() : UpdateTime(), _recordUpdateTimeInverval(0), _recordUpdateTimeMin(0), _lastRecordTime(0) { }
+    void LoadFromConfig();
+    void SetRecordUpdateTimeInterval(Milliseconds t);
+    void RecordUpdateTime(Milliseconds gameTimeMs, uint32 diff, uint32 sessionCount);
+    void RecordUpdateTimeDuration(std::string const& text);
+
+private:
+    Milliseconds _recordUpdateTimeInverval;
+    Milliseconds _recordUpdateTimeMin;
+    Milliseconds _lastRecordTime;
+};
+
+AC_GAME_API extern WorldUpdateTime sWorldUpdateTime;
+
+#endif
diff --git a/src/server/game/Warden/WardenWin.cpp b/src/server/game/Warden/WardenWin.cpp
index a5f2308411..7deaf7bde0 100644
--- a/src/server/game/Warden/WardenWin.cpp
+++ b/src/server/game/Warden/WardenWin.cpp
@@ -19,6 +19,7 @@
 #include "ByteBuffer.h"
 #include "Common.h"
 #include "CryptoRandom.h"
+#include "GameTime.h"
 #include "HMAC.h"
 #include "Log.h"
 #include "Opcodes.h"
@@ -255,7 +256,7 @@ void WardenWin::RequestChecks()
             _ChecksTodo[i].assign(sWardenCheckMgr->CheckIdPool[i].begin(), sWardenCheckMgr->CheckIdPool[i].end());
     }
 
-    _serverTicks = World::GetGameTimeMS();
+    _serverTicks = GameTime::GetGameTimeMS().count();
     _CurrentChecks.clear();
 
     // No pending checks
@@ -493,7 +494,7 @@ void WardenWin::HandleData(ByteBuffer& buff)
         uint32 newClientTicks;
         buff >> newClientTicks;
 
-        uint32 ticksNow = World::GetGameTimeMS();
+        uint32 ticksNow = GameTime::GetGameTimeMS().count();
         uint32 ourTicks = newClientTicks + (ticksNow - _serverTicks);
 
         LOG_DEBUG("warden", "ServerTicks %u", ticksNow);         // Now
diff --git a/src/server/game/World/IWorld.h b/src/server/game/World/IWorld.h
index 2bfb3fb696..c736e1c69a 100644
--- a/src/server/game/World/IWorld.h
+++ b/src/server/game/World/IWorld.h
@@ -20,10 +20,10 @@
 
 #include "AsyncCallbackProcessor.h"
 #include "Common.h"
+#include "Duration.h"
 #include "ObjectGuid.h"
 #include "QueryResult.h"
 #include "SharedDefines.h"
-#include "Timer.h"
 #include <atomic>
 #include <list>
 #include <map>
@@ -314,8 +314,6 @@ enum WorldIntConfigs
     CONFIG_PVP_TOKEN_MAP_TYPE,
     CONFIG_PVP_TOKEN_ID,
     CONFIG_PVP_TOKEN_COUNT,
-    CONFIG_INTERVAL_LOG_UPDATE,
-    CONFIG_MIN_LOG_UPDATE,
     CONFIG_ENABLE_SINFO_LOGIN,
     CONFIG_PLAYER_ALLOW_COMMANDS,
     CONFIG_NUMTHREADS,
@@ -528,14 +526,9 @@ public:
     [[nodiscard]] virtual std::string const& GetNewCharString() const = 0;
     [[nodiscard]] virtual LocaleConstant GetDefaultDbcLocale() const = 0;
     [[nodiscard]] virtual std::string const& GetDataPath() const = 0;
-    [[nodiscard]] virtual time_t const& GetStartTime() const = 0;
-    [[nodiscard]] virtual time_t const& GetGameTime() const = 0;
-    [[nodiscard]] virtual uint32 GetUptime() const = 0;
-    [[nodiscard]] virtual uint32 GetUpdateTime() const = 0;
-    virtual void SetRecordDiffInterval(int32 t)  = 0;
-    [[nodiscard]] virtual time_t GetNextDailyQuestsResetTime() const = 0;
-    [[nodiscard]] virtual time_t GetNextWeeklyQuestsResetTime() const = 0;
-    [[nodiscard]] virtual time_t GetNextRandomBGResetTime() const = 0;
+    [[nodiscard]] virtual Seconds GetNextDailyQuestsResetTime() const = 0;
+    [[nodiscard]] virtual Seconds GetNextWeeklyQuestsResetTime() const = 0;
+    [[nodiscard]] virtual Seconds GetNextRandomBGResetTime() const = 0;
     [[nodiscard]] virtual uint16 GetConfigMaxSkillValue() const = 0;
     virtual void SetInitialWorldSettings() = 0;
     virtual void LoadConfigSettings(bool reload = false) = 0;
diff --git a/src/server/game/World/World.cpp b/src/server/game/World/World.cpp
index 6133e53f9c..a7bf0170b8 100644
--- a/src/server/game/World/World.cpp
+++ b/src/server/game/World/World.cpp
@@ -26,7 +26,6 @@
 #include "ArenaTeamMgr.h"
 #include "AsyncAuctionListing.h"
 #include "AuctionHouseMgr.h"
-#include "AvgDiffTracker.h"
 #include "BattlefieldMgr.h"
 #include "BattlegroundMgr.h"
 #include "CalendarMgr.h"
@@ -47,6 +46,7 @@
 #include "DynamicVisibility.h"
 #include "GameEventMgr.h"
 #include "GameGraveyard.h"
+#include "GameTime.h"
 #include "GitRevision.h"
 #include "GridNotifiersImpl.h"
 #include "GroupMgr.h"
@@ -79,6 +79,7 @@
 #include "TicketMgr.h"
 #include "Transport.h"
 #include "TransportMgr.h"
+#include "UpdateTime.h"
 #include "Util.h"
 #include "VMapFactory.h"
 #include "VMapMgr2.h"
@@ -101,7 +102,6 @@ namespace
 std::atomic_long World::m_stopEvent = false;
 uint8 World::m_ExitCode = SHUTDOWN_EXIT_CODE;
 uint32 World::m_worldLoopCounter = 0;
-uint32 World::m_gameMSTime = 0;
 
 float World::m_MaxVisibleDistanceOnContinents = DEFAULT_VISIBILITY_DISTANCE;
 float World::m_MaxVisibleDistanceInInstances  = DEFAULT_VISIBILITY_INSTANCE;
@@ -117,28 +117,19 @@ World::World()
     m_allowMovement = true;
     m_ShutdownMask = 0;
     m_ShutdownTimer = 0;
-    m_gameTime = time(nullptr);
-    m_gameMSTime = getMSTime();
-    m_startTime = m_gameTime;
     m_maxActiveSessionCount = 0;
     m_maxQueuedSessionCount = 0;
     m_PlayerCount = 0;
     m_MaxPlayerCount = 0;
-    m_NextDailyQuestReset = 0;
-    m_NextWeeklyQuestReset = 0;
-    m_NextMonthlyQuestReset = 0;
-    m_NextRandomBGReset = 0;
-    m_NextCalendarOldEventsDeletionTime = 0;
-    m_NextGuildReset = 0;
-
+    m_NextDailyQuestReset = 0s;
+    m_NextWeeklyQuestReset = 0s;
+    m_NextMonthlyQuestReset = 0s;
+    m_NextRandomBGReset = 0s;
+    m_NextCalendarOldEventsDeletionTime = 0s;
+    m_NextGuildReset = 0s;
     m_defaultDbcLocale = LOCALE_enUS;
-
-    mail_expire_check_timer = 0;
-    m_updateTime = 0;
-    m_updateTimeSum = 0;
-
+    mail_expire_check_timer = 0s;
     m_isClosed = false;
-
     m_CleaningFlags = 0;
 
     memset(rate_values, 0, sizeof(rate_values));
@@ -286,7 +277,7 @@ void World::AddSession_(WorldSession* s)
         WorldSession* oldSession = old->second;
 
         if (!RemoveQueuedPlayer(oldSession) && getIntConfig(CONFIG_INTERVAL_DISCONNECT_TOLERANCE))
-            m_disconnects[s->GetAccountId()] = time(nullptr);
+            m_disconnects[s->GetAccountId()] = GameTime::GetGameTime().count();
 
         // pussywizard:
         if (oldSession->HandleSocketClosed())
@@ -300,7 +291,7 @@ void World::AddSession_(WorldSession* s)
                 tmp->SetShouldSetOfflineInDB(false);
                 delete tmp;
             }
-            oldSession->SetOfflineTime(time(nullptr));
+            oldSession->SetOfflineTime(GameTime::GetGameTime().count());
             m_offlineSessions[oldSession->GetAccountId()] = oldSession;
         }
         else
@@ -341,7 +332,7 @@ bool World::HasRecentlyDisconnected(WorldSession* session)
     {
         for (DisconnectMap::iterator i = m_disconnects.begin(); i != m_disconnects.end();)
         {
-            if ((time(nullptr) - i->second) < tolerance)
+            if ((GameTime::GetGameTime().count() - i->second) < tolerance)
             {
                 if (i->first == session->GetAccountId())
                     return true;
@@ -448,6 +439,9 @@ void World::LoadConfigSettings(bool reload)
 
     sScriptMgr->OnBeforeConfigLoad(reload);
 
+    // load update time related configs
+    sWorldUpdateTime.LoadFromConfig();
+
     ///- Read the player limit and the Message of the day from the config file
     if (!reload)
     {
@@ -1303,8 +1297,6 @@ void World::LoadConfigSettings(bool reload)
     m_bool_configs[CONFIG_SHOW_KICK_IN_WORLD]         = sConfigMgr->GetOption<bool>("ShowKickInWorld", false);
     m_bool_configs[CONFIG_SHOW_MUTE_IN_WORLD]         = sConfigMgr->GetOption<bool>("ShowMuteInWorld", false);
     m_bool_configs[CONFIG_SHOW_BAN_IN_WORLD]          = sConfigMgr->GetOption<bool>("ShowBanInWorld", false);
-    m_int_configs[CONFIG_INTERVAL_LOG_UPDATE]         = sConfigMgr->GetOption<int32>("RecordUpdateTimeDiffInterval", 300000);
-    m_int_configs[CONFIG_MIN_LOG_UPDATE]              = sConfigMgr->GetOption<int32>("MinRecordUpdateTimeDiff", 100);
     m_int_configs[CONFIG_NUMTHREADS]                  = sConfigMgr->GetOption<int32>("MapUpdate.Threads", 1);
     m_int_configs[CONFIG_MAX_RESULTS_LOOKUP_COMMANDS] = sConfigMgr->GetOption<int32>("Command.LookupMaxResults", 0);
 
@@ -1448,7 +1440,7 @@ void World::SetInitialWorldSettings()
     uint32 startupBegin = getMSTime();
 
     ///- Initialize the random number generator
-    srand((unsigned int)time(nullptr));
+    srand((unsigned int)GameTime::GetGameTime().count());
 
     ///- Initialize detour memory management
     dtAllocSetCustom(dtCustomAlloc, dtCustomFree);
@@ -1967,11 +1959,9 @@ void World::SetInitialWorldSettings()
     ///- Initialize game time and timers
     LOG_INFO("server.loading", "Initialize game time and timers");
     LOG_INFO("server.loading", " ");
-    m_gameTime = time(nullptr);
-    m_startTime = m_gameTime;
 
-    LoginDatabase.PExecute("INSERT INTO uptime (realmid, starttime, uptime, revision) VALUES(%u, %u, 0, '%s')",
-                           realm.Id.Realm, uint32(m_startTime), GitRevision::GetFullVersion());       // One-time query
+    LoginDatabase.PExecute("INSERT INTO uptime (realmid, starttime, uptime, revision) VALUES (%u, %u, 0, '%s')",
+                           realm.Id.Realm, uint32(GameTime::GetStartTime().count()), GitRevision::GetFullVersion());       // One-time query
 
     m_timers[WUPDATE_WEATHERS].SetInterval(1 * IN_MILLISECONDS);
     m_timers[WUPDATE_AUCTIONS].SetInterval(MINUTE * IN_MILLISECONDS);
@@ -1992,7 +1982,7 @@ void World::SetInitialWorldSettings()
 
     m_timers[WUPDATE_WHO_LIST].SetInterval(5 * IN_MILLISECONDS); // update who list cache every 5 seconds
 
-    mail_expire_check_timer = time(nullptr) + 6 * 3600;
+    mail_expire_check_timer = GameTime::GetGameTime() + 6h;
 
     ///- Initilize static helper structures
     AIRegistry::Initialize();
@@ -2204,17 +2194,14 @@ void World::Update(uint32 diff)
 {
     METRIC_TIMER("world_update_time_total");
 
-    m_updateTime = diff;
+    ///- Update the game time and check for shutdown time
+    _UpdateGameTime();
+    Seconds currentGameTime = GameTime::GetGameTime();
 
-    if (m_int_configs[CONFIG_INTERVAL_LOG_UPDATE])
-    {
-        m_updateTimeSum += diff;
-        if (m_updateTimeSum > m_int_configs[CONFIG_INTERVAL_LOG_UPDATE])
-        {
-            LOG_INFO("diff", "Average update time diff: %u. Players online: %u.", avgDiffTracker.getAverage(), (uint32)GetActiveSessionCount());
-            m_updateTimeSum = 0;
-        }
-    }
+    sWorldUpdateTime.UpdateWithDiff(diff);
+
+    // Record update if recording set in log and diff is greater then minimum set in log
+    sWorldUpdateTime.RecordUpdateTime(GameTime::GetGameTimeMS(), diff, GetActiveSessionCount());
 
     DynamicVisibilityMgr::Update(GetActiveSessionCount());
 
@@ -2237,9 +2224,6 @@ void World::Update(uint32 diff)
         CharacterDatabase.Execute(stmt);
     }
 
-    ///- Update the game time and check for shutdown time
-    _UpdateGameTime();
-
     ///- Update Who List Cache
     if (m_timers[WUPDATE_WHO_LIST].Passed())
     {
@@ -2252,37 +2236,37 @@ void World::Update(uint32 diff)
         METRIC_TIMER("world_update_time", METRIC_TAG("type", "Check quest reset times"));
 
         /// Handle daily quests reset time
-        if (m_gameTime > m_NextDailyQuestReset)
+        if (currentGameTime > m_NextDailyQuestReset)
         {
             ResetDailyQuests();
         }
 
         /// Handle weekly quests reset time
-        if (m_gameTime > m_NextWeeklyQuestReset)
+        if (currentGameTime > m_NextWeeklyQuestReset)
         {
             ResetWeeklyQuests();
         }
 
         /// Handle monthly quests reset time
-        if (m_gameTime > m_NextMonthlyQuestReset)
+        if (currentGameTime > m_NextMonthlyQuestReset)
         {
             ResetMonthlyQuests();
         }
     }
 
-    if (m_gameTime > m_NextRandomBGReset)
+    if (currentGameTime > m_NextRandomBGReset)
     {
         METRIC_TIMER("world_update_time", METRIC_TAG("type", "Reset random BG"));
         ResetRandomBG();
     }
 
-    if (m_gameTime > m_NextCalendarOldEventsDeletionTime)
+    if (currentGameTime > m_NextCalendarOldEventsDeletionTime)
     {
         METRIC_TIMER("world_update_time", METRIC_TAG("type", "Delete old calendar events"));
         CalendarDeleteOldEvents();
     }
 
-    if (m_gameTime > m_NextGuildReset)
+    if (currentGameTime > m_NextGuildReset)
     {
         METRIC_TIMER("world_update_time", METRIC_TAG("type", "Reset guild cap"));
         ResetGuildCap();
@@ -2308,10 +2292,10 @@ void World::Update(uint32 diff)
 
         AsyncAuctionListingMgr::Update(diff);
 
-        if (m_gameTime > mail_expire_check_timer)
+        if (currentGameTime > mail_expire_check_timer)
         {
             sObjectMgr->ReturnOrDeleteOldMails(true);
-            mail_expire_check_timer = m_gameTime + 6 * 3600;
+            mail_expire_check_timer = currentGameTime + 6h;
         }
 
         {
@@ -2341,10 +2325,8 @@ void World::Update(uint32 diff)
             m_timers[WUPDATE_CLEANDB].Reset();
 
             LoginDatabasePreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_DEL_OLD_LOGS);
-
             stmt->setUInt32(0, sWorld->getIntConfig(CONFIG_LOGDB_CLEARTIME));
-            stmt->setUInt32(1, uint32(time(0)));
-
+            stmt->setUInt32(1, uint32(currentGameTime.count()));
             LoginDatabase.Execute(stmt);
         }
     }
@@ -2354,8 +2336,8 @@ void World::Update(uint32 diff)
         sLFGMgr->Update(diff, 0); // pussywizard: remove obsolete stuff before finding compatibility during map update
     }
 
-    ///- Update objects when the timer has passed (maps, transport, creatures, ...)
     {
+        ///- Update objects when the timer has passed (maps, transport, creatures, ...)
         METRIC_TIMER("world_update_time", METRIC_TAG("type", "Update maps"));
         sMapMgr->Update(diff);
     }
@@ -2401,18 +2383,13 @@ void World::Update(uint32 diff)
     {
         METRIC_TIMER("world_update_time", METRIC_TAG("type", "Update uptime"));
 
-        uint32 tmpDiff = uint32(m_gameTime - m_startTime);
-        uint32 maxOnlinePlayers = GetMaxPlayerCount();
-
         m_timers[WUPDATE_UPTIME].Reset();
 
         LoginDatabasePreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_UPD_UPTIME_PLAYERS);
-
-        stmt->setUInt32(0, tmpDiff);
-        stmt->setUInt16(1, uint16(maxOnlinePlayers));
+        stmt->setUInt32(0, uint32(GameTime::GetUptime().count()));
+        stmt->setUInt16(1, uint16(GetMaxPlayerCount()));
         stmt->setUInt32(2, realm.Id.Realm);
-        stmt->setUInt32(3, uint32(m_startTime));
-
+        stmt->setUInt32(3, uint32(GameTime::GetStartTime().count()));
         LoginDatabase.Execute(stmt);
     }
 
@@ -2421,6 +2398,7 @@ void World::Update(uint32 diff)
     {
         METRIC_TIMER("world_update_time", METRIC_TAG("type", "Remove old corpses"));
         m_timers[WUPDATE_CORPSES].Reset();
+
         sMapMgr->DoForAllMaps([](Map* map)
         {
             map->RemoveOldCorpses();
@@ -2710,16 +2688,16 @@ void World::KickAllLess(AccountTypes sec)
 void World::_UpdateGameTime()
 {
     ///- update the time
-    time_t thisTime = time(nullptr);
-    uint32 elapsed = uint32(thisTime - m_gameTime);
-    m_gameTime = thisTime;
-    m_gameMSTime = getMSTime();
+    Seconds lastGameTime = GameTime::GetGameTime();
+    GameTime::UpdateGameTimers();
+
+    Seconds elapsed = GameTime::GetGameTime() - lastGameTime;
 
     ///- if there is a shutdown timer
-    if (!IsStopped() && m_ShutdownTimer > 0 && elapsed > 0)
+    if (!IsStopped() && m_ShutdownTimer > 0 && elapsed > 0s)
     {
         ///- ... and it is overdue, stop the world (set m_stopEvent)
-        if (m_ShutdownTimer <= elapsed)
+        if (m_ShutdownTimer <= elapsed.count())
         {
             if (!(m_ShutdownMask & SHUTDOWN_MASK_IDLE) || GetActiveAndQueuedSessionCount() == 0)
                 m_stopEvent = true;                         // exist code already set
@@ -2729,7 +2707,7 @@ void World::_UpdateGameTime()
         ///- ... else decrease it and if necessary display a shutdown countdown to the users
         else
         {
-            m_ShutdownTimer -= elapsed;
+            m_ShutdownTimer -= elapsed.count();
 
             ShutdownMsg();
         }
@@ -2882,7 +2860,7 @@ void World::UpdateSessions(uint32 diff)
         if (pSession->HandleSocketClosed())
         {
             if (!RemoveQueuedPlayer(pSession) && getIntConfig(CONFIG_INTERVAL_DISCONNECT_TOLERANCE))
-                m_disconnects[pSession->GetAccountId()] = time(nullptr);
+                m_disconnects[pSession->GetAccountId()] = GameTime::GetGameTime().count();
             m_sessions.erase(itr);
             // there should be no offline session if current one is logged onto a character
             SessionMap::iterator iter;
@@ -2893,7 +2871,7 @@ void World::UpdateSessions(uint32 diff)
                 tmp->SetShouldSetOfflineInDB(false);
                 delete tmp;
             }
-            pSession->SetOfflineTime(time(nullptr));
+            pSession->SetOfflineTime(GameTime::GetGameTime().count());
             m_offlineSessions[pSession->GetAccountId()] = pSession;
             continue;
         }
@@ -2904,7 +2882,7 @@ void World::UpdateSessions(uint32 diff)
         if (!pSession->Update(diff, updater))
         {
             if (!RemoveQueuedPlayer(pSession) && getIntConfig(CONFIG_INTERVAL_DISCONNECT_TOLERANCE))
-                m_disconnects[pSession->GetAccountId()] = time(nullptr);
+                m_disconnects[pSession->GetAccountId()] = GameTime::GetGameTime().count();
             m_sessions.erase(itr);
             if (m_offlineSessions.find(pSession->GetAccountId()) != m_offlineSessions.end()) // pussywizard: don't set offline in db because offline session for that acc is present (character is in world)
                 pSession->SetShouldSetOfflineInDB(false);
@@ -2915,7 +2893,7 @@ void World::UpdateSessions(uint32 diff)
     // pussywizard:
     if (m_offlineSessions.empty())
         return;
-    uint32 currTime = time(nullptr);
+    uint32 currTime = GameTime::GetGameTime().count();
     for (SessionMap::iterator itr = m_offlineSessions.begin(), next; itr != m_offlineSessions.end(); itr = next)
     {
         next = itr;
@@ -3046,59 +3024,79 @@ void World::_UpdateRealmCharCount(PreparedQueryResult resultCharCount)
 
 void World::InitWeeklyQuestResetTime()
 {
-    time_t wstime = time_t(sWorld->getWorldState(WS_WEEKLY_QUEST_RESET_TIME));
-    m_NextWeeklyQuestReset = wstime ? wstime : Acore::Time::GetNextTimeWithDayAndHour(4, 6);
-    if (!wstime)
-        sWorld->setWorldState(WS_WEEKLY_QUEST_RESET_TIME, uint64(m_NextWeeklyQuestReset));
+    Seconds wstime = Seconds(sWorld->getWorldState(WS_WEEKLY_QUEST_RESET_TIME));
+    m_NextWeeklyQuestReset = wstime > 0s ? wstime : Seconds(Acore::Time::GetNextTimeWithDayAndHour(4, 6));
+
+    if (wstime == 0s)
+    {
+        sWorld->setWorldState(WS_WEEKLY_QUEST_RESET_TIME, m_NextWeeklyQuestReset.count());
+    }
 }
 
 void World::InitDailyQuestResetTime()
 {
-    time_t wstime = time_t(sWorld->getWorldState(WS_DAILY_QUEST_RESET_TIME));
-    m_NextDailyQuestReset = wstime ? wstime : Acore::Time::GetNextTimeWithDayAndHour(-1, 6);
-    if (!wstime)
-        sWorld->setWorldState(WS_DAILY_QUEST_RESET_TIME, uint64(m_NextDailyQuestReset));
+    Seconds wstime = Seconds(sWorld->getWorldState(WS_DAILY_QUEST_RESET_TIME));
+    m_NextDailyQuestReset = wstime > 0s ? wstime : Seconds(Acore::Time::GetNextTimeWithDayAndHour(-1, 6));
+
+    if (wstime == 0s)
+    {
+        sWorld->setWorldState(WS_DAILY_QUEST_RESET_TIME, m_NextDailyQuestReset.count());
+    }
 }
 
 void World::InitMonthlyQuestResetTime()
 {
-    time_t wstime = time_t(sWorld->getWorldState(WS_MONTHLY_QUEST_RESET_TIME));
-    m_NextMonthlyQuestReset = wstime ? wstime : Acore::Time::GetNextTimeWithMonthAndHour(-1, 6);
-    if (!wstime)
-        sWorld->setWorldState(WS_MONTHLY_QUEST_RESET_TIME, uint64(m_NextMonthlyQuestReset));
+    Seconds wstime = Seconds(sWorld->getWorldState(WS_MONTHLY_QUEST_RESET_TIME));
+    m_NextMonthlyQuestReset = wstime > 0s ? wstime : Seconds(Acore::Time::GetNextTimeWithDayAndHour(-1, 6));
+
+    if (wstime == 0s)
+    {
+        sWorld->setWorldState(WS_MONTHLY_QUEST_RESET_TIME, m_NextMonthlyQuestReset.count());
+    }
 }
 
 void World::InitRandomBGResetTime()
 {
-    time_t wstime = time_t(sWorld->getWorldState(WS_BG_DAILY_RESET_TIME));
-    m_NextRandomBGReset = wstime ? wstime : Acore::Time::GetNextTimeWithDayAndHour(-1, 6);
-    if (!wstime)
-        sWorld->setWorldState(WS_BG_DAILY_RESET_TIME, uint64(m_NextRandomBGReset));
+    Seconds wstime = Seconds(sWorld->getWorldState(WS_BG_DAILY_RESET_TIME));
+    m_NextRandomBGReset = wstime > 0s ? wstime : Seconds(Acore::Time::GetNextTimeWithDayAndHour(-1, 6));
+
+    if (wstime == 0s)
+    {
+        sWorld->setWorldState(WS_BG_DAILY_RESET_TIME, m_NextRandomBGReset.count());
+    }
 }
 
 void World::InitCalendarOldEventsDeletionTime()
 {
-    time_t now = time(nullptr);
-    time_t currentDeletionTime = getWorldState(WS_DAILY_CALENDAR_DELETION_OLD_EVENTS_TIME);
-    time_t nextDeletionTime = currentDeletionTime ? currentDeletionTime : Acore::Time::GetNextTimeWithDayAndHour(-1, getIntConfig(CONFIG_CALENDAR_DELETE_OLD_EVENTS_HOUR));
+    Seconds currentDeletionTime = Seconds(getWorldState(WS_DAILY_CALENDAR_DELETION_OLD_EVENTS_TIME));
+    Seconds nextDeletionTime = currentDeletionTime > 0s ? currentDeletionTime : Seconds(Acore::Time::GetNextTimeWithDayAndHour(-1, getIntConfig(CONFIG_CALENDAR_DELETE_OLD_EVENTS_HOUR)));
 
     // If the reset time saved in the worldstate is before now it means the server was offline when the reset was supposed to occur.
     // In this case we set the reset time in the past and next world update will do the reset and schedule next one in the future.
-    if (currentDeletionTime < now)
-        m_NextCalendarOldEventsDeletionTime = nextDeletionTime - DAY;
+    if (currentDeletionTime < GameTime::GetGameTime())
+    {
+        m_NextCalendarOldEventsDeletionTime = nextDeletionTime - 1_days;
+    }
     else
+    {
         m_NextCalendarOldEventsDeletionTime = nextDeletionTime;
+    }
 
-    if (!currentDeletionTime)
-        sWorld->setWorldState(WS_DAILY_CALENDAR_DELETION_OLD_EVENTS_TIME, uint64(m_NextCalendarOldEventsDeletionTime));
+    if (currentDeletionTime == 0s)
+    {
+        sWorld->setWorldState(WS_DAILY_CALENDAR_DELETION_OLD_EVENTS_TIME, m_NextCalendarOldEventsDeletionTime.count());
+    }
 }
 
 void World::InitGuildResetTime()
 {
-    time_t wstime = time_t(getWorldState(WS_GUILD_DAILY_RESET_TIME));
-    m_NextGuildReset = wstime ? wstime : Acore::Time::GetNextTimeWithDayAndHour(-1, 6);
-    if (!wstime)
-        sWorld->setWorldState(WS_GUILD_DAILY_RESET_TIME, uint64(m_NextGuildReset));
+    Seconds wstime = Seconds(getWorldState(WS_GUILD_DAILY_RESET_TIME));
+    m_NextGuildReset = wstime > 0s ? wstime : Seconds(Acore::Time::GetNextTimeWithDayAndHour(-1, 6));
+
+    if (wstime == 0s)
+    {
+        sWorld->setWorldState(WS_GUILD_DAILY_RESET_TIME, m_NextGuildReset.count());
+    }
 }
 
 void World::ResetDailyQuests()
@@ -3110,8 +3108,8 @@ void World::ResetDailyQuests()
         if (itr->second->GetPlayer())
             itr->second->GetPlayer()->ResetDailyQuestStatus();
 
-    m_NextDailyQuestReset = Acore::Time::GetNextTimeWithDayAndHour(-1, 6);
-    sWorld->setWorldState(WS_DAILY_QUEST_RESET_TIME, uint64(m_NextDailyQuestReset));
+    m_NextDailyQuestReset = Seconds(Acore::Time::GetNextTimeWithDayAndHour(-1, 6));
+    sWorld->setWorldState(WS_DAILY_QUEST_RESET_TIME, m_NextDailyQuestReset.count());
 
     // change available dailies
     sPoolMgr->ChangeDailyQuests();
@@ -3145,8 +3143,8 @@ void World::ResetWeeklyQuests()
         if (itr->second->GetPlayer())
             itr->second->GetPlayer()->ResetWeeklyQuestStatus();
 
-    m_NextWeeklyQuestReset = Acore::Time::GetNextTimeWithDayAndHour(4, 6);
-    sWorld->setWorldState(WS_WEEKLY_QUEST_RESET_TIME, uint64(m_NextWeeklyQuestReset));
+    m_NextWeeklyQuestReset = Seconds(Acore::Time::GetNextTimeWithDayAndHour(4, 6));
+    sWorld->setWorldState(WS_WEEKLY_QUEST_RESET_TIME, m_NextWeeklyQuestReset.count());
 
     // change available weeklies
     sPoolMgr->ChangeWeeklyQuests();
@@ -3163,8 +3161,8 @@ void World::ResetMonthlyQuests()
         if (itr->second->GetPlayer())
             itr->second->GetPlayer()->ResetMonthlyQuestStatus();
 
-    m_NextMonthlyQuestReset = Acore::Time::GetNextTimeWithMonthAndHour(-1, 6);
-    sWorld->setWorldState(WS_MONTHLY_QUEST_RESET_TIME, uint64(m_NextMonthlyQuestReset));
+    m_NextMonthlyQuestReset = Seconds(Acore::Time::GetNextTimeWithMonthAndHour(-1, 6));
+    sWorld->setWorldState(WS_MONTHLY_QUEST_RESET_TIME, m_NextMonthlyQuestReset.count());
 }
 
 void World::ResetEventSeasonalQuests(uint16 event_id)
@@ -3189,16 +3187,16 @@ void World::ResetRandomBG()
         if (itr->second->GetPlayer())
             itr->second->GetPlayer()->SetRandomWinner(false);
 
-    m_NextRandomBGReset = Acore::Time::GetNextTimeWithDayAndHour(-1, 6);
-    sWorld->setWorldState(WS_BG_DAILY_RESET_TIME, uint64(m_NextRandomBGReset));
+    m_NextRandomBGReset = Seconds(Acore::Time::GetNextTimeWithDayAndHour(-1, 6));
+    sWorld->setWorldState(WS_BG_DAILY_RESET_TIME, m_NextRandomBGReset.count());
 }
 
 void World::CalendarDeleteOldEvents()
 {
     LOG_INFO("server.worldserver", "Calendar deletion of old events.");
 
-    m_NextCalendarOldEventsDeletionTime = time_t(m_NextCalendarOldEventsDeletionTime + DAY);
-    sWorld->setWorldState(WS_DAILY_CALENDAR_DELETION_OLD_EVENTS_TIME, uint64(m_NextCalendarOldEventsDeletionTime));
+    m_NextCalendarOldEventsDeletionTime += 1_days;
+    sWorld->setWorldState(WS_DAILY_CALENDAR_DELETION_OLD_EVENTS_TIME, m_NextCalendarOldEventsDeletionTime.count());
     sCalendarMgr->DeleteOldEvents();
 }
 
@@ -3206,8 +3204,8 @@ void World::ResetGuildCap()
 {
     LOG_INFO("server.worldserver", "Guild Daily Cap reset.");
 
-    m_NextGuildReset = Acore::Time::GetNextTimeWithDayAndHour(-1, 6);
-    sWorld->setWorldState(WS_GUILD_DAILY_RESET_TIME, uint64(m_NextGuildReset));
+    m_NextGuildReset = Seconds(Acore::Time::GetNextTimeWithDayAndHour(-1, 6));
+    sWorld->setWorldState(WS_GUILD_DAILY_RESET_TIME, m_NextGuildReset.count());
 
     sGuildMgr->ResetTimes();
 }
@@ -3225,7 +3223,7 @@ void World::LoadDBVersion()
     {
         Field* fields = result->Fetch();
 
-        m_DBVersion              = fields[0].GetString();
+        m_DBVersion = fields[0].GetString();
 
         // will be overwrite by config values if different and non-0
         m_int_configs[CONFIG_CLIENTCACHE_VERSION] = fields[1].GetUInt32();
@@ -3298,48 +3296,42 @@ void World::LoadWorldStates()
         return;
     }
 
-    uint32 count = 0;
-
     do
     {
         Field* fields = result->Fetch();
         m_worldstates[fields[0].GetUInt32()] = fields[1].GetUInt32();
-        ++count;
     } while (result->NextRow());
 
-    LOG_INFO("server.loading", ">> Loaded %u world states in %u ms", count, GetMSTimeDiffToNow(oldMSTime));
+    FMT_LOG_INFO("server.loading", ">> Loaded {} world states in %u ms", m_worldstates.size(), GetMSTimeDiffToNow(oldMSTime));
     LOG_INFO("server.loading", " ");
 }
 
 // Setting a worldstate will save it to DB
-void World::setWorldState(uint32 index, uint64 value)
+void World::setWorldState(uint32 index, uint64 timeValue)
 {
-    WorldStatesMap::const_iterator it = m_worldstates.find(index);
+    auto const& it = m_worldstates.find(index);
     if (it != m_worldstates.end())
     {
         CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_UPD_WORLDSTATE);
-
-        stmt->setUInt32(0, uint32(value));
+        stmt->setUInt32(0, uint32(timeValue));
         stmt->setUInt32(1, index);
-
         CharacterDatabase.Execute(stmt);
     }
     else
     {
         CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_INS_WORLDSTATE);
-
         stmt->setUInt32(0, index);
-        stmt->setUInt32(1, uint32(value));
-
+        stmt->setUInt32(1, uint32(timeValue));
         CharacterDatabase.Execute(stmt);
     }
-    m_worldstates[index] = value;
+
+    m_worldstates[index] = timeValue;
 }
 
 uint64 World::getWorldState(uint32 index) const
 {
-    WorldStatesMap::const_iterator it = m_worldstates.find(index);
-    return it != m_worldstates.end() ? it->second : 0;
+    auto const& itr = m_worldstates.find(index);
+    return itr != m_worldstates.end() ? itr->second : 0;
 }
 
 void World::ProcessQueryCallbacks()
diff --git a/src/server/game/World/World.h b/src/server/game/World/World.h
index 9b2d91ab2a..423bba6691 100644
--- a/src/server/game/World/World.h
+++ b/src/server/game/World/World.h
@@ -226,22 +226,10 @@ public:
     /// Get the path where data (dbc, maps) are stored on disk
     [[nodiscard]] std::string const& GetDataPath() const override { return m_dataPath; }
 
-    /// When server started?
-    [[nodiscard]] time_t const& GetStartTime() const override { return m_startTime; }
-    /// What time is it?
-    [[nodiscard]] time_t const& GetGameTime() const override { return m_gameTime; }
-    /// What time is it? in ms
-    static uint32 GetGameTimeMS() { return m_gameMSTime; }
-    /// Uptime (in secs)
-    [[nodiscard]] uint32 GetUptime() const override { return uint32(m_gameTime - m_startTime); }
-    /// Update time
-    [[nodiscard]] uint32 GetUpdateTime() const override { return m_updateTime; }
-    void SetRecordDiffInterval(int32 t) override { if (t >= 0) m_int_configs[CONFIG_INTERVAL_LOG_UPDATE] = (uint32)t; }
-
     /// Next daily quests and random bg reset time
-    [[nodiscard]] time_t GetNextDailyQuestsResetTime() const override { return m_NextDailyQuestReset; }
-    [[nodiscard]] time_t GetNextWeeklyQuestsResetTime() const override { return m_NextWeeklyQuestReset; }
-    [[nodiscard]] time_t GetNextRandomBGResetTime() const override { return m_NextRandomBGReset; }
+    [[nodiscard]] Seconds GetNextDailyQuestsResetTime() const override { return m_NextDailyQuestReset; }
+    [[nodiscard]] Seconds GetNextWeeklyQuestsResetTime() const override { return m_NextWeeklyQuestReset; }
+    [[nodiscard]] Seconds GetNextRandomBGResetTime() const override { return m_NextRandomBGReset; }
 
     /// Get the maximum skill level a player can reach
     [[nodiscard]] uint16 GetConfigMaxSkillValue() const override
@@ -397,12 +385,8 @@ private:
 
     bool m_isClosed;
 
-    time_t m_startTime;
-    time_t m_gameTime;
     IntervalTimer m_timers[WUPDATE_COUNT];
-    time_t mail_expire_check_timer;
-    uint32 m_updateTime, m_updateTimeSum;
-    static uint32 m_gameMSTime;
+    Seconds mail_expire_check_timer;
 
     SessionMap m_sessions;
     SessionMap m_offlineSessions;
@@ -440,12 +424,12 @@ private:
     LockedQueue<CliCommandHolder*> cliCmdQueue;
 
     // next daily quests and random bg reset time
-    time_t m_NextDailyQuestReset;
-    time_t m_NextWeeklyQuestReset;
-    time_t m_NextMonthlyQuestReset;
-    time_t m_NextRandomBGReset;
-    time_t m_NextCalendarOldEventsDeletionTime;
-    time_t m_NextGuildReset;
+    Seconds m_NextDailyQuestReset;
+    Seconds m_NextWeeklyQuestReset;
+    Seconds m_NextMonthlyQuestReset;
+    Seconds m_NextRandomBGReset;
+    Seconds m_NextCalendarOldEventsDeletionTime;
+    Seconds m_NextGuildReset;
 
     //Player Queue
     Queue m_QueuedPlayer;
diff --git a/src/server/scripts/Commands/cs_ban.cpp b/src/server/scripts/Commands/cs_ban.cpp
index 849287da11..a34e0aa672 100644
--- a/src/server/scripts/Commands/cs_ban.cpp
+++ b/src/server/scripts/Commands/cs_ban.cpp
@@ -26,6 +26,7 @@ EndScriptData */
 #include "BanMgr.h"
 #include "CharacterCache.h"
 #include "Chat.h"
+#include "GameTime.h"
 #include "Language.h"
 #include "ObjectAccessor.h"
 #include "ObjectMgr.h"
@@ -305,7 +306,7 @@ public:
 
             time_t unbanDate = time_t(fields[3].GetUInt32());
             bool active = false;
-            if (fields[2].GetBool() && (fields[1].GetUInt64() == uint64(0) || unbanDate >= time(nullptr)))
+            if (fields[2].GetBool() && (fields[1].GetUInt64() == uint64(0) || unbanDate >= GameTime::GetGameTime().count()))
                 active = true;
             bool permanent = (fields[1].GetUInt64() == uint64(0));
             std::string banTime = permanent ? handler->GetAcoreString(LANG_BANINFO_INFINITE) : secsToTimeString(fields[1].GetUInt64(), true);
@@ -353,7 +354,7 @@ public:
             Field* fields = result->Fetch();
             time_t unbanDate = time_t(fields[3].GetUInt32());
             bool active = false;
-            if (fields[2].GetUInt8() && (!fields[1].GetUInt32() || unbanDate >= time(nullptr)))
+            if (fields[2].GetUInt8() && (!fields[1].GetUInt32() || unbanDate >= GameTime::GetGameTime().count()))
                 active = true;
             bool permanent = (fields[1].GetUInt32() == uint32(0));
             std::string banTime = permanent ? handler->GetAcoreString(LANG_BANINFO_INFINITE) : secsToTimeString(fields[1].GetUInt64(), true);
diff --git a/src/server/scripts/Commands/cs_event.cpp b/src/server/scripts/Commands/cs_event.cpp
index 4dc64ce1a7..f1c1da6b7d 100644
--- a/src/server/scripts/Commands/cs_event.cpp
+++ b/src/server/scripts/Commands/cs_event.cpp
@@ -24,6 +24,7 @@
 
 #include "Chat.h"
 #include "GameEventMgr.h"
+#include "GameTime.h"
 #include "Language.h"
 #include "Player.h"
 #include "ScriptMgr.h"
@@ -116,8 +117,8 @@ public:
         std::string endTimeStr = Acore::Time::TimeToTimestampStr(Seconds(eventData.end));
 
         uint32 delay = sGameEventMgr->NextCheck(eventId);
-        time_t nextTime = time(nullptr) + delay;
-        std::string nextStr = nextTime >= eventData.start && nextTime < eventData.end ? Acore::Time::TimeToTimestampStr(Seconds(time(nullptr) + delay)) : "-";
+        time_t nextTime = GameTime::GetGameTime().count() + delay;
+        std::string nextStr = nextTime >= eventData.start && nextTime < eventData.end ? Acore::Time::TimeToTimestampStr(Seconds(nextTime)) : "-";
 
         std::string occurenceStr = secsToTimeString(eventData.occurence * MINUTE, true);
         std::string lengthStr = secsToTimeString(eventData.length * MINUTE, true);
diff --git a/src/server/scripts/Commands/cs_gobject.cpp b/src/server/scripts/Commands/cs_gobject.cpp
index 9e7f925ab7..4cad8ed71b 100644
--- a/src/server/scripts/Commands/cs_gobject.cpp
+++ b/src/server/scripts/Commands/cs_gobject.cpp
@@ -25,6 +25,7 @@ EndScriptData */
 #include "Chat.h"
 #include "GameEventMgr.h"
 #include "GameObject.h"
+#include "GameTime.h"
 #include "Language.h"
 #include "MapMgr.h"
 #include "ObjectMgr.h"
@@ -280,7 +281,7 @@ public:
 
         if (target)
         {
-            int32 curRespawnDelay = int32(target->GetRespawnTimeEx() - time(nullptr));
+            int32 curRespawnDelay = int32(target->GetRespawnTimeEx() - GameTime::GetGameTime().count());
             if (curRespawnDelay < 0)
                 curRespawnDelay = 0;
 
diff --git a/src/server/scripts/Commands/cs_instance.cpp b/src/server/scripts/Commands/cs_instance.cpp
index a1de1ebef1..d9170ad6cd 100644
--- a/src/server/scripts/Commands/cs_instance.cpp
+++ b/src/server/scripts/Commands/cs_instance.cpp
@@ -23,6 +23,7 @@
  EndScriptData */
 
 #include "Chat.h"
+#include "GameTime.h"
 #include "Group.h"
 #include "InstanceSaveMgr.h"
 #include "InstanceScript.h"
@@ -73,7 +74,7 @@ public:
             {
                 InstanceSave const* save = bind.save;
                 uint32 resetTime = bind.extended ? save->GetExtendedResetTime() : save->GetResetTime();
-                uint32 ttr = (resetTime >= time(nullptr) ? resetTime - time(nullptr) : 0);
+                uint32 ttr = (resetTime >= GameTime::GetGameTime().count() ? resetTime - GameTime::GetGameTime().count() : 0);
                 std::string timeleft = secsToTimeString(ttr);
                 handler->PSendSysMessage("map: %d, inst: %d, perm: %s, diff: %d, canReset: %s, TTR: %s%s",
                     mapId, save->GetInstanceId(), bind.perm ? "yes" : "no", save->GetDifficulty(), save->CanReset() ? "yes" : "no", timeleft.c_str(), (bind.extended ? " (extended)" : ""));
@@ -111,7 +112,7 @@ public:
                 if (itr->first != player->GetMapId() && (!mapId || mapId == itr->first) && (!difficultyArg || difficultyArg == save->GetDifficulty()))
                 {
                     uint32 resetTime = itr->second.extended ? save->GetExtendedResetTime() : save->GetResetTime();
-                    uint32 ttr = (resetTime >= time(nullptr) ? resetTime - time(nullptr) : 0);
+                    uint32 ttr = (resetTime >= GameTime::GetGameTime().count() ? resetTime - GameTime::GetGameTime().count() : 0);
                     std::string timeleft = secsToTimeString(ttr);
                     handler->PSendSysMessage("unbinding map: %d, inst: %d, perm: %s, diff: %d, canReset: %s, TTR: %s%s", itr->first, save->GetInstanceId(), itr->second.perm ? "yes" : "no", save->GetDifficulty(), save->CanReset() ? "yes" : "no", timeleft.c_str(), (itr->second.extended ? " (extended)" : ""));
                     sInstanceSaveMgr->PlayerUnbindInstance(player->GetGUID(), itr->first, Difficulty(i), true, player);
diff --git a/src/server/scripts/Commands/cs_misc.cpp b/src/server/scripts/Commands/cs_misc.cpp
index de1722e075..5f35e58d2c 100644
--- a/src/server/scripts/Commands/cs_misc.cpp
+++ b/src/server/scripts/Commands/cs_misc.cpp
@@ -22,6 +22,7 @@
 #include "CharacterCache.h"
 #include "Chat.h"
 #include "GameGraveyard.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "Group.h"
 #include "GuildMgr.h"
@@ -2131,13 +2132,13 @@ public:
         // Output III. LANG_PINFO_BANNED if ban exists and is applied
         if (banTime >= 0)
         {
-            handler->PSendSysMessage(LANG_PINFO_BANNED, banType.c_str(), banReason.c_str(), banTime > 0 ? secsToTimeString(banTime - time(nullptr), true).c_str() : handler->GetAcoreString(LANG_PERMANENTLY), bannedBy.c_str());
+            handler->PSendSysMessage(LANG_PINFO_BANNED, banType.c_str(), banReason.c_str(), banTime > 0 ? secsToTimeString(banTime - GameTime::GetGameTime().count(), true).c_str() : handler->GetAcoreString(LANG_PERMANENTLY), bannedBy.c_str());
         }
 
         // Output IV. LANG_PINFO_MUTED if mute is applied
         if (muteTime > 0)
         {
-            handler->PSendSysMessage(LANG_PINFO_MUTED, muteReason.c_str(), secsToTimeString(muteTime - time(nullptr), true).c_str(), muteBy.c_str());
+            handler->PSendSysMessage(LANG_PINFO_MUTED, muteReason.c_str(), secsToTimeString(muteTime - GameTime::GetGameTime().count(), true).c_str(), muteBy.c_str());
         }
 
         // Output V. LANG_PINFO_ACC_ACCOUNT
@@ -2409,7 +2410,7 @@ public:
         if (target)
         {
             // Target is online, mute will be in effect right away.
-            int64 muteTime = time(nullptr) + notSpeakTime * MINUTE;
+            int64 muteTime = GameTime::GetGameTime().count() + notSpeakTime * MINUTE;
             target->GetSession()->m_muteTime = muteTime;
             stmt->setInt64(0, muteTime);
             std::string nameLink = handler->playerLink(player->GetName());
diff --git a/src/server/scripts/Commands/cs_npc.cpp b/src/server/scripts/Commands/cs_npc.cpp
index 3b8347e311..92689e8667 100644
--- a/src/server/scripts/Commands/cs_npc.cpp
+++ b/src/server/scripts/Commands/cs_npc.cpp
@@ -25,6 +25,7 @@ EndScriptData */
 #include "Chat.h"
 #include "CreatureAI.h"
 #include "CreatureGroups.h"
+#include "GameTime.h"
 #include "Language.h"
 #include "ObjectMgr.h"
 #include "Pet.h"
@@ -605,7 +606,7 @@ public:
             id3 = cData->id3;
         }
 
-        int64 curRespawnDelay = target->GetRespawnTimeEx() - time(nullptr);
+        int64 curRespawnDelay = target->GetRespawnTimeEx() - GameTime::GetGameTime().count();
         if (curRespawnDelay < 0)
             curRespawnDelay = 0;
         std::string curRespawnDelayStr = secsToTimeString(uint64(curRespawnDelay), true);
diff --git a/src/server/scripts/Commands/cs_quest.cpp b/src/server/scripts/Commands/cs_quest.cpp
index 6cb46ed49b..18f3257265 100644
--- a/src/server/scripts/Commands/cs_quest.cpp
+++ b/src/server/scripts/Commands/cs_quest.cpp
@@ -23,6 +23,7 @@ Category: commandscripts
 EndScriptData */
 
 #include "Chat.h"
+#include "GameTime.h"
 #include "ObjectMgr.h"
 #include "Player.h"
 #include "ReputationMgr.h"
@@ -379,7 +380,7 @@ public:
                 // fill mail
                 MailDraft draft(quest->GetTitle(), std::string());
 
-                for (auto itr : questItems)
+                for (auto const& itr : questItems)
                 {
                     if (Item* item = Item::CreateItem(itr.first, itr.second))
                     {
@@ -615,7 +616,7 @@ public:
                 // fill mail
                 MailDraft draft(quest->GetTitle(), "This quest has been manually rewarded to you. This mail contains your quest rewards.");
 
-                for (auto itr : questRewardItems)
+                for (auto const& itr : questRewardItems)
                 {
                     if (!itr.first || !itr.second)
                     {
@@ -652,7 +653,7 @@ public:
                 stmt = CharacterDatabase.GetPreparedStatement(CHAR_INS_CHARACTER_DAILYQUESTSTATUS);
                 stmt->setUInt32(0, guid);
                 stmt->setUInt32(1, entry);
-                stmt->setUInt64(2, time(nullptr));
+                stmt->setUInt64(2, GameTime::GetGameTime().count());
                 trans->Append(stmt);
             }
             else if (quest->IsWeekly())
diff --git a/src/server/scripts/Commands/cs_server.cpp b/src/server/scripts/Commands/cs_server.cpp
index 7ccd4d2305..53ab969717 100644
--- a/src/server/scripts/Commands/cs_server.cpp
+++ b/src/server/scripts/Commands/cs_server.cpp
@@ -22,9 +22,9 @@
  Category: commandscripts
  EndScriptData */
 
-#include "AvgDiffTracker.h"
 #include "Chat.h"
 #include "Config.h"
+#include "GameTime.h"
 #include "GitRevision.h"
 #include "Language.h"
 #include "ModuleMgr.h"
@@ -34,6 +34,7 @@
 #include "ScriptMgr.h"
 #include "ServerMotd.h"
 #include "StringConvert.h"
+#include "UpdateTime.h"
 #include "VMapFactory.h"
 #include "VMapMgr2.h"
 #include <boost/version.hpp>
@@ -77,7 +78,6 @@ public:
 
         static ChatCommandTable serverSetCommandTable =
         {
-            { "difftime",     HandleServerSetDiffTimeCommand,    SEC_CONSOLE,       Console::Yes },
             { "loglevel",     HandleServerSetLogLevelCommand,    SEC_CONSOLE,       Console::Yes },
             { "motd",         HandleServerSetMotdCommand,        SEC_ADMINISTRATOR, Console::Yes },
             { "closed",       HandleServerSetClosedCommand,      SEC_CONSOLE,       Console::Yes },
@@ -238,23 +238,16 @@ public:
         uint32 activeSessionCount = sWorld->GetActiveSessionCount();
         uint32 queuedSessionCount = sWorld->GetQueuedSessionCount();
         uint32 connPeak = sWorld->GetMaxActiveSessionCount();
-        std::string uptime = secsToTimeString(sWorld->GetUptime()).append(".");
-        uint32 updateTime = sWorld->GetUpdateTime();
-        uint32 avgUpdateTime = avgDiffTracker.getAverage();
 
         handler->PSendSysMessage("%s", GitRevision::GetFullVersion());
         if (!queuedSessionCount)
             handler->PSendSysMessage("Connected players: %u. Characters in world: %u.", activeSessionCount, playerCount);
         else
             handler->PSendSysMessage("Connected players: %u. Characters in world: %u. Queue: %u.", activeSessionCount, playerCount, queuedSessionCount);
-        handler->PSendSysMessage("Connection peak: %u.", connPeak);
-        handler->PSendSysMessage(LANG_UPTIME, uptime.c_str());
-        handler->PSendSysMessage("Update time diff: %ums, average: %ums.", updateTime, avgUpdateTime);
 
-        if (handler->GetSession())
-            if (Player* p = handler->GetSession()->GetPlayer())
-                if (p->IsDeveloper())
-                    handler->PSendSysMessage("DEV wavg: %ums, nsmax: %ums, nsavg: %ums. LFG avg: %ums, max: %ums.", avgDiffTracker.getTimeWeightedAverage(), devDiffTracker.getMax(), devDiffTracker.getAverage(), lfgDiffTracker.getAverage(), lfgDiffTracker.getMax());
+        handler->PSendSysMessage("Connection peak: %u.", connPeak);
+        handler->PSendSysMessage(LANG_UPTIME, secsToTimeString(GameTime::GetUptime().count()).c_str());
+        handler->PSendSysMessage("Update time diff: %ums, average: %ums.", sWorldUpdateTime.GetLastUpdateTime(), sWorldUpdateTime.GetAverageUpdateTime());
 
         //! Can't use sWorld->ShutdownMsg here in case of console command
         if (sWorld->IsShuttingDown())
@@ -439,18 +432,6 @@ public:
         sLog->SetLogLevel(name, level, isLogger);
         return true;
     }
-
-    // set diff time record interval
-    static bool HandleServerSetDiffTimeCommand(ChatHandler* /*handler*/, int32 newTime)
-    {
-        if (newTime < 0)
-            return false;
-
-        sWorld->SetRecordDiffInterval(newTime);
-        printf("Record diff every %u ms\n", newTime);
-
-        return true;
-    }
 };
 
 void AddSC_server_commandscript()
diff --git a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockDepths/blackrock_depths.cpp b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockDepths/blackrock_depths.cpp
index 6786a0a708..bd04b5b1d0 100644
--- a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockDepths/blackrock_depths.cpp
+++ b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockDepths/blackrock_depths.cpp
@@ -16,6 +16,7 @@
  */
 
 #include "blackrock_depths.h"
+#include "GameTime.h"
 #include "Player.h"
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
@@ -154,7 +155,7 @@ public:
     {
         if (InstanceScript* instance = player->GetInstanceScript())
         {
-            time_t now = time(nullptr);
+            time_t now = GameTime::GetGameTime().count();
             if (instance->GetData(TYPE_RING_OF_LAW) == IN_PROGRESS || instance->GetData(TYPE_RING_OF_LAW) == DONE)
             {
                 return false;
diff --git a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockDepths/instance_blackrock_depths.cpp b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockDepths/instance_blackrock_depths.cpp
index b6055df4a4..d4bd921f92 100644
--- a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockDepths/instance_blackrock_depths.cpp
+++ b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockDepths/instance_blackrock_depths.cpp
@@ -15,12 +15,13 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "GameTime.h"
 #include "InstanceScript.h"
 #include "Player.h"
 #include "ScriptMgr.h"
 #include "blackrock_depths.h"
 
-#define MAX_ENCOUNTER 6
+constexpr auto MAX_ENCOUNTER = 6;
 
 enum Timers
 {
@@ -462,7 +463,7 @@ public:
                         {
                             TempSummonGrimstone->RemoveFromWorld();
                             TempSummonGrimstone = nullptr;
-                            timeRingFail = time(nullptr);
+                            timeRingFail = GameTime::GetGameTime().count();
                         }
                         SetData(TYPE_RING_OF_LAW, NOT_STARTED);
                         break;
diff --git a/src/server/scripts/Events/brewfest.cpp b/src/server/scripts/Events/brewfest.cpp
index 55b46485e4..5996eed010 100644
--- a/src/server/scripts/Events/brewfest.cpp
+++ b/src/server/scripts/Events/brewfest.cpp
@@ -18,6 +18,7 @@
 #include "CellImpl.h"
 #include "GameEventMgr.h"
 #include "GameObjectAI.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "Group.h"
 #include "LFGMgr.h"
@@ -99,7 +100,7 @@ struct npc_brewfest_keg_reciver : public ScriptedAI
                 {
                     if (Aura* aur = player->GetAura(SPELL_RAM_AURA))
                     {
-                        int32 diff = aur->GetApplyTime() - (time(nullptr) - (HOUR * 18) + spellCooldown);
+                        int32 diff = aur->GetApplyTime() - (GameTime::GetGameTime().count() - (HOUR * 18) + spellCooldown);
                         if (diff > 10) // aura applied later
                             return;
 
diff --git a/src/server/scripts/Events/midsummer.cpp b/src/server/scripts/Events/midsummer.cpp
index 1b769815fe..99cbf09005 100644
--- a/src/server/scripts/Events/midsummer.cpp
+++ b/src/server/scripts/Events/midsummer.cpp
@@ -15,6 +15,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "GameTime.h"
 #include "Player.h"
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
@@ -198,7 +199,7 @@ public:
             Position pos;
             pos.Relocate(posVec.at(num));
             me->m_last_notify_position.Relocate(0.0f, 0.0f, 0.0f);
-            me->m_last_notify_mstime = World::GetGameTimeMS() + 10000;
+            me->m_last_notify_mstime = GameTime::GetGameTimeMS().count() + 10000;
 
             me->NearTeleportTo(pos.GetPositionX(), pos.GetPositionY(), pos.GetPositionZ(), pos.GetOrientation());
         }
@@ -310,7 +311,7 @@ public:
                 }
 
                 // Achievement
-                if ((time(nullptr) - GetApplyTime()) > 60 && target->GetTypeId() == TYPEID_PLAYER)
+                if ((GameTime::GetGameTime().count() - GetApplyTime()) > 60 && target->GetTypeId() == TYPEID_PLAYER)
                     target->ToPlayer()->UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_BE_SPELL_TARGET, 58934, 0, target);
             }
         }
diff --git a/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheCrusader/instance_trial_of_the_crusader.cpp b/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheCrusader/instance_trial_of_the_crusader.cpp
index 74cc7eb41c..e5463f1f92 100644
--- a/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheCrusader/instance_trial_of_the_crusader.cpp
+++ b/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheCrusader/instance_trial_of_the_crusader.cpp
@@ -15,6 +15,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "GameTime.h"
 #include "Group.h"
 #include "Player.h"
 #include "ScriptMgr.h"
@@ -348,7 +349,7 @@ public:
                                 c->DespawnOrUnsummon(10000);
                             if( Creature* c = instance->GetCreature(NPC_DreadscaleGUID) )
                                 c->DespawnOrUnsummon(10000);
-                            if( AchievementTimer + 10 >= time(nullptr) )
+                            if( AchievementTimer + 10 >= GameTime::GetGameTime().count() )
                                 DoUpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_BE_SPELL_TARGET, SPELL_JORMUNGAR_ACHIEV);
                             AchievementTimer = 0;
 
@@ -365,7 +366,7 @@ public:
                         }
                         else // first one died, start timer for achievement
                         {
-                            AchievementTimer = time(nullptr);
+                            AchievementTimer = GameTime::GetGameTime().count();
                         }
                     }
                     else
@@ -447,14 +448,14 @@ public:
 
                             HandleGameObject(GO_EnterGateGUID, true);
 
-                            if( AchievementTimer + 60 >= time(nullptr) )
+                            if( AchievementTimer + 60 >= GameTime::GetGameTime().count() )
                                 DoUpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_BE_SPELL_TARGET, SPELL_RESILIENCE_WILL_FIX_IT_CREDIT);
                             AchievementTimer = 0;
 
                             SaveToDB();
                         }
                         else if( Counter == 1 )
-                            AchievementTimer = time(nullptr);
+                            AchievementTimer = GameTime::GetGameTime().count();
                     }
                     break;
                 case TYPE_FACTION_CHAMPIONS_START:
diff --git a/src/server/scripts/Northrend/IcecrownCitadel/boss_icecrown_gunship_battle.cpp b/src/server/scripts/Northrend/IcecrownCitadel/boss_icecrown_gunship_battle.cpp
index 3c0afa64cb..f427a448d1 100644
--- a/src/server/scripts/Northrend/IcecrownCitadel/boss_icecrown_gunship_battle.cpp
+++ b/src/server/scripts/Northrend/IcecrownCitadel/boss_icecrown_gunship_battle.cpp
@@ -16,6 +16,7 @@
  */
 
 #include "CreatureTextMgr.h"
+#include "GameTime.h"
 #include "MoveSpline.h"
 #include "MoveSplineInit.h"
 #include "ScriptMgr.h"
@@ -424,7 +425,7 @@ public:
             return false;
 
         bool summoned = false;
-        time_t now = time(nullptr);
+        time_t now = GameTime::GetGameTime().count();
         for (int32 i = first; i <= last; ++i)
         {
             if (_respawnCooldowns[i] > now)
@@ -460,7 +461,7 @@ public:
     void ClearSlot(PassengerSlots slot)
     {
         _controlledSlots[slot].Clear();
-        _respawnCooldowns[slot] = time(nullptr) + _slotInfo[slot].Cooldown;
+        _respawnCooldowns[slot] = GameTime::GetGameTime().count() + _slotInfo[slot].Cooldown;
     }
 
 private:
@@ -749,7 +750,7 @@ public:
             _controller.ResetSlots(TEAM_HORDE, creature->GetTransport()->ToMotionTransport());
             me->SetRegeneratingHealth(false);
             me->m_CombatDistance = 70.0f;
-            _firstMageCooldown = time(nullptr) + 45;
+            _firstMageCooldown = GameTime::GetGameTime().count() + 45;
             _axethrowersYellCooldown = time_t(0);
             _rocketeersYellCooldown = time_t(0);
             checkTimer = 1000;
@@ -814,7 +815,7 @@ public:
             }
             else if (action == ACTION_SPAWN_MAGE)
             {
-                time_t now = time(nullptr);
+                time_t now = GameTime::GetGameTime().count();
                 if (_firstMageCooldown > now)
                     _events.ScheduleEvent(EVENT_SUMMON_MAGE, (_firstMageCooldown - now) * IN_MILLISECONDS);
                 else
@@ -989,10 +990,10 @@ public:
                 case EVENT_CHECK_RIFLEMAN:
                     if (_controller.SummonCreatures(me, SLOT_RIFLEMAN_1, Is25ManRaid() ? SLOT_RIFLEMAN_8 : SLOT_RIFLEMAN_4))
                     {
-                        if (_axethrowersYellCooldown < time(nullptr))
+                        if (_axethrowersYellCooldown < GameTime::GetGameTime().count())
                         {
                             Talk(SAY_SAURFANG_AXETHROWERS);
-                            _axethrowersYellCooldown = time(nullptr) + 5;
+                            _axethrowersYellCooldown = GameTime::GetGameTime().count() + 5;
                         }
                     }
                     _events.ScheduleEvent(EVENT_CHECK_RIFLEMAN, 1500);
@@ -1000,10 +1001,10 @@ public:
                 case EVENT_CHECK_MORTAR:
                     if (_controller.SummonCreatures(me, SLOT_MORTAR_1, Is25ManRaid() ? SLOT_MORTAR_4 : SLOT_MORTAR_2))
                     {
-                        if (_rocketeersYellCooldown < time(nullptr))
+                        if (_rocketeersYellCooldown < GameTime::GetGameTime().count())
                         {
                             Talk(SAY_SAURFANG_ROCKETEERS);
-                            _rocketeersYellCooldown = time(nullptr) + 5;
+                            _rocketeersYellCooldown = GameTime::GetGameTime().count() + 5;
                         }
                     }
                     _events.ScheduleEvent(EVENT_CHECK_MORTAR, 1500);
@@ -1084,7 +1085,7 @@ public:
             _controller.ResetSlots(TEAM_ALLIANCE, creature->GetTransport()->ToMotionTransport());
             me->SetRegeneratingHealth(false);
             me->m_CombatDistance = 70.0f;
-            _firstMageCooldown = time(nullptr) + 45;
+            _firstMageCooldown = GameTime::GetGameTime().count() + 45;
             _riflemanYellCooldown = time_t(0);
             _mortarYellCooldown = time_t(0);
             checkTimer = 1000;
@@ -1150,7 +1151,7 @@ public:
             }
             else if (action == ACTION_SPAWN_MAGE)
             {
-                time_t now = time(nullptr);
+                time_t now = GameTime::GetGameTime().count();
                 if (_firstMageCooldown > now)
                     _events.ScheduleEvent(EVENT_SUMMON_MAGE, (_firstMageCooldown - now) * IN_MILLISECONDS);
                 else
@@ -1328,10 +1329,10 @@ public:
                 case EVENT_CHECK_RIFLEMAN:
                     if (_controller.SummonCreatures(me, SLOT_RIFLEMAN_1, Is25ManRaid() ? SLOT_RIFLEMAN_8 : SLOT_RIFLEMAN_4))
                     {
-                        if (_riflemanYellCooldown < time(nullptr))
+                        if (_riflemanYellCooldown < GameTime::GetGameTime().count())
                         {
                             Talk(SAY_MURADIN_RIFLEMAN);
-                            _riflemanYellCooldown = time(nullptr) + 5;
+                            _riflemanYellCooldown = GameTime::GetGameTime().count() + 5;
                         }
                     }
                     _events.ScheduleEvent(EVENT_CHECK_RIFLEMAN, 1500);
@@ -1339,10 +1340,10 @@ public:
                 case EVENT_CHECK_MORTAR:
                     if (_controller.SummonCreatures(me, SLOT_MORTAR_1, Is25ManRaid() ? SLOT_MORTAR_4 : SLOT_MORTAR_2))
                     {
-                        if (_mortarYellCooldown < time(nullptr))
+                        if (_mortarYellCooldown < GameTime::GetGameTime().count())
                         {
                             Talk(SAY_MURADIN_MORTAR);
-                            _mortarYellCooldown = time(nullptr) + 5;
+                            _mortarYellCooldown = GameTime::GetGameTime().count() + 5;
                         }
                     }
                     _events.ScheduleEvent(EVENT_CHECK_MORTAR, 1500);
diff --git a/src/server/scripts/Northrend/IcecrownCitadel/boss_sindragosa.cpp b/src/server/scripts/Northrend/IcecrownCitadel/boss_sindragosa.cpp
index 8dff5e2a34..e0f7bf2bd1 100644
--- a/src/server/scripts/Northrend/IcecrownCitadel/boss_sindragosa.cpp
+++ b/src/server/scripts/Northrend/IcecrownCitadel/boss_sindragosa.cpp
@@ -15,6 +15,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "ObjectMgr.h"
 #include "Player.h"
@@ -950,7 +951,7 @@ public:
             if (!spellInfo)
                 return false;
 
-            uint32 currMSTime = World::GetGameTimeMS();
+            uint32 currMSTime = GameTime::GetGameTimeMS().count();
             std::map<uint32, uint32>::iterator itr = _lastMSTimeForSpell.find(spellInfo->Id);
             if (itr != _lastMSTimeForSpell.end())
             {
diff --git a/src/server/scripts/Northrend/IcecrownCitadel/boss_the_lich_king.cpp b/src/server/scripts/Northrend/IcecrownCitadel/boss_the_lich_king.cpp
index b6d1548dcb..42b6cbc683 100644
--- a/src/server/scripts/Northrend/IcecrownCitadel/boss_the_lich_king.cpp
+++ b/src/server/scripts/Northrend/IcecrownCitadel/boss_the_lich_king.cpp
@@ -18,6 +18,7 @@
 #include "Cell.h"
 #include "CellImpl.h"
 #include "CreatureTextMgr.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "GridNotifiersImpl.h"
 #include "ObjectMgr.h"
@@ -720,9 +721,9 @@ public:
 
         void KilledUnit(Unit* victim) override
         {
-            if (victim->GetTypeId() == TYPEID_PLAYER && !me->IsInEvadeMode() && _phase != PHASE_OUTRO && _lastTalkTimeKill + 5 < time(nullptr))
+            if (victim->GetTypeId() == TYPEID_PLAYER && !me->IsInEvadeMode() && _phase != PHASE_OUTRO && _lastTalkTimeKill + 5 < GameTime::GetGameTime().count())
             {
-                _lastTalkTimeKill = time(nullptr);
+                _lastTalkTimeKill = GameTime::GetGameTime().count();
                 Talk(SAY_LK_KILL);
             }
         }
@@ -751,7 +752,7 @@ public:
                             events.RescheduleEvent(EVENT_START_ATTACK, 1000);
                         EntryCheckPredicate pred(NPC_STRANGULATE_VEHICLE);
                         summons.DoAction(ACTION_TELEPORT_BACK, pred);
-                        if (!IsHeroic() && _phase != PHASE_OUTRO && me->IsInCombat() && _lastTalkTimeBuff + 5 <= time(nullptr))
+                        if (!IsHeroic() && _phase != PHASE_OUTRO && me->IsInCombat() && _lastTalkTimeBuff + 5 <= GameTime::GetGameTime().count())
                             Talk(SAY_LK_FROSTMOURNE_ESCAPE);
                     }
                     break;
@@ -906,9 +907,9 @@ public:
 
         void SpellHit(Unit* /*caster*/, SpellInfo const* spell) override
         {
-            if (spell->Id == HARVESTED_SOUL_BUFF && me->IsInCombat() && !IsHeroic() && _phase != PHASE_OUTRO && _lastTalkTimeBuff + 5 <= time(nullptr))
+            if (spell->Id == HARVESTED_SOUL_BUFF && me->IsInCombat() && !IsHeroic() && _phase != PHASE_OUTRO && _lastTalkTimeBuff + 5 <= GameTime::GetGameTime().count())
             {
-                _lastTalkTimeBuff = time(nullptr);
+                _lastTalkTimeBuff = GameTime::GetGameTime().count();
                 Talk(SAY_LK_FROSTMOURNE_KILL);
             }
         }
diff --git a/src/server/scripts/Northrend/Ulduar/Ulduar/boss_ignis.cpp b/src/server/scripts/Northrend/Ulduar/Ulduar/boss_ignis.cpp
index 5fac2ebc4b..6aa0a1fb87 100644
--- a/src/server/scripts/Northrend/Ulduar/Ulduar/boss_ignis.cpp
+++ b/src/server/scripts/Northrend/Ulduar/Ulduar/boss_ignis.cpp
@@ -15,6 +15,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "GameTime.h"
 #include "Player.h"
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
@@ -276,10 +277,10 @@ public:
             if (id == 1337)
             {
                 if (lastShatterMSTime)
-                    if (getMSTimeDiff(lastShatterMSTime, World::GetGameTimeMS()) <= 5000)
+                    if (getMSTimeDiff(lastShatterMSTime, GameTime::GetGameTimeMS().count()) <= 5000)
                         bShattered = true;
 
-                lastShatterMSTime = World::GetGameTimeMS();
+                lastShatterMSTime = GameTime::GetGameTimeMS().count();
             }
         }
 
diff --git a/src/server/scripts/Northrend/Ulduar/Ulduar/boss_mimiron.cpp b/src/server/scripts/Northrend/Ulduar/Ulduar/boss_mimiron.cpp
index d9a50a68fa..ee3c75bb32 100644
--- a/src/server/scripts/Northrend/Ulduar/Ulduar/boss_mimiron.cpp
+++ b/src/server/scripts/Northrend/Ulduar/Ulduar/boss_mimiron.cpp
@@ -15,6 +15,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "GameTime.h"
 #include "MapMgr.h"
 #include "PassiveAI.h"
 #include "Player.h"
@@ -455,7 +456,7 @@ public:
                 case EVENT_SPAWN_FLAMES_INITIAL:
                     {
                         if (changeAllowedFlameSpreadTime)
-                            allowedFlameSpreadTime = time(nullptr);
+                            allowedFlameSpreadTime = GameTime::GetGameTime().count();
 
                         std::vector<Player*> pg;
                         Map::PlayerList const& pl = me->GetMap()->GetPlayers();
@@ -2204,7 +2205,7 @@ public:
 
         bool Load() override
         {
-            lastMSTime = World::GetGameTimeMS();
+            lastMSTime = GameTime::GetGameTimeMS().count();
             lastOrientation = -1.0f;
             return true;
         }
@@ -2215,14 +2216,14 @@ public:
             {
                 if (c->GetTypeId() != TYPEID_UNIT)
                     return;
-                uint32 diff = getMSTimeDiff(lastMSTime, World::GetGameTimeMS());
+                uint32 diff = getMSTimeDiff(lastMSTime, GameTime::GetGameTimeMS().count());
                 if (lastOrientation == -1.0f)
                 {
                     lastOrientation = (c->ToCreature()->AI()->GetData(0) * 2 * M_PI) / 100.0f;
                     diff = 0;
                 }
                 float new_o = Position::NormalizeOrientation(lastOrientation - (M_PI / 60) * (diff / 250.0f));
-                lastMSTime = World::GetGameTimeMS();
+                lastMSTime = GameTime::GetGameTimeMS().count();
                 lastOrientation = new_o;
                 c->SetFacingTo(new_o);
 
@@ -2283,7 +2284,7 @@ public:
     {
         npc_ulduar_flames_initialAI(Creature* pCreature) : NullCreatureAI(pCreature)
         {
-            CreateTime = time(nullptr);
+            CreateTime = GameTime::GetGameTime().count();
             events.Reset();
             events.ScheduleEvent(EVENT_FLAMES_SPREAD, 5750);
             if( Creature* flame = me->SummonCreature(NPC_FLAMES_SPREAD, me->GetPositionX(), me->GetPositionY(), 364.32f, 0.0f) )
diff --git a/src/server/scripts/Northrend/Ulduar/Ulduar/instance_ulduar.cpp b/src/server/scripts/Northrend/Ulduar/Ulduar/instance_ulduar.cpp
index ced3d0467a..27188aa3db 100644
--- a/src/server/scripts/Northrend/Ulduar/Ulduar/instance_ulduar.cpp
+++ b/src/server/scripts/Northrend/Ulduar/Ulduar/instance_ulduar.cpp
@@ -15,6 +15,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "GameTime.h"
 #include "Player.h"
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
@@ -1013,10 +1014,10 @@ public:
             }
             else if (unit->GetTypeId() == TYPEID_UNIT && unit->GetAreaId() == 4656 /*Conservatory of Life*/)
             {
-                if (time(nullptr) > (m_conspeedatoryAttempt + DAY))
+                if (GameTime::GetGameTime().count() > (m_conspeedatoryAttempt + DAY))
                 {
                     DoStartTimedAchievement(ACHIEVEMENT_TIMED_TYPE_EVENT, 21597 /*CON-SPEED-ATORY_TIMED_CRITERIA*/);
-                    m_conspeedatoryAttempt = time(nullptr);
+                    m_conspeedatoryAttempt = GameTime::GetGameTime().count();
                     SaveToDB();
                 }
             }
diff --git a/src/server/scripts/Northrend/VaultOfArchavon/instance_vault_of_archavon.cpp b/src/server/scripts/Northrend/VaultOfArchavon/instance_vault_of_archavon.cpp
index 7f81b6c0c3..ee6c391a69 100644
--- a/src/server/scripts/Northrend/VaultOfArchavon/instance_vault_of_archavon.cpp
+++ b/src/server/scripts/Northrend/VaultOfArchavon/instance_vault_of_archavon.cpp
@@ -17,6 +17,7 @@
 
 #include "Battlefield.h"
 #include "BattlefieldMgr.h"
+#include "GameTime.h"
 #include "Player.h"
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
@@ -190,13 +191,13 @@ public:
                 switch (type)
                 {
                     case EVENT_ARCHAVON:
-                        ArchavonDeath = time(nullptr);
+                        ArchavonDeath = GameTime::GetGameTime().count();
                         break;
                     case EVENT_EMALON:
-                        EmalonDeath = time(nullptr);
+                        EmalonDeath = GameTime::GetGameTime().count();
                         break;
                     case EVENT_KORALON:
-                        KoralonDeath = time(nullptr);
+                        KoralonDeath = GameTime::GetGameTime().count();
                         break;
                     default:
                         return;
diff --git a/src/server/scripts/Northrend/zone_wintergrasp.cpp b/src/server/scripts/Northrend/zone_wintergrasp.cpp
index 683591a04f..f602368bc4 100644
--- a/src/server/scripts/Northrend/zone_wintergrasp.cpp
+++ b/src/server/scripts/Northrend/zone_wintergrasp.cpp
@@ -21,6 +21,7 @@
 #include "CombatAI.h"
 #include "GameGraveyard.h"
 #include "GameObjectAI.h"
+#include "GameTime.h"
 #include "ObjectMgr.h"
 #include "Player.h"
 #include "PoolMgr.h"
@@ -294,7 +295,7 @@ public:
         else
         {
             uint32 timer = wintergrasp->GetTimer() / 1000;
-            player->SendUpdateWorldState(4354, time(nullptr) + timer);
+            player->SendUpdateWorldState(4354, GameTime::GetGameTime().count() + timer);
             if (timer < 15 * MINUTE)
             {
                 AddGossipItemFor(player, GOSSIP_ICON_CHAT, "Queue for Wintergrasp.", GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF);
diff --git a/src/server/scripts/Outland/TempestKeep/botanica/instance_the_botanica.cpp b/src/server/scripts/Outland/TempestKeep/botanica/instance_the_botanica.cpp
index 9c5a096dec..bacbe7cfdc 100644
--- a/src/server/scripts/Outland/TempestKeep/botanica/instance_the_botanica.cpp
+++ b/src/server/scripts/Outland/TempestKeep/botanica/instance_the_botanica.cpp
@@ -15,6 +15,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "GameTime.h"
 #include "InstanceScript.h"
 #include "ScriptMgr.h"
 #include "the_botanica.h"
@@ -163,7 +164,7 @@ public:
         {
             if (SpellInfo const* spellInfo = eventInfo.GetSpellInfo())
             {
-                if ((spellInfo->GetSchoolMask() & _lastSchool) && _swapTime > time(nullptr))
+                if ((spellInfo->GetSchoolMask() & _lastSchool) && _swapTime > GameTime::GetGameTime().count())
                     return false;
 
                 uint32 form = 0;
@@ -187,7 +188,7 @@ public:
 
                 if (form)
                 {
-                    _swapTime = time(nullptr) + 6;
+                    _swapTime = GameTime::GetGameTime().count() + 6;
                     _lastSchool = spellInfo->GetSchoolMask();
                     GetUnitOwner()->RemoveAurasDueToSpell(_lastForm);
                     _lastForm = form;
diff --git a/src/server/scripts/Spells/spell_generic.cpp b/src/server/scripts/Spells/spell_generic.cpp
index 13c5adc895..dc9429f6ce 100644
--- a/src/server/scripts/Spells/spell_generic.cpp
+++ b/src/server/scripts/Spells/spell_generic.cpp
@@ -29,6 +29,7 @@
 #include "Cell.h"
 #include "CellImpl.h"
 #include "Chat.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "Group.h"
 #include "InstanceScript.h"
@@ -2250,12 +2251,12 @@ class spell_gen_turkey_marker : public AuraScript
     {
         if (GetStackAmount() > stackAmount)
         {
-            _applyTimes.push_back(World::GetGameTimeMS());
+            _applyTimes.push_back(GameTime::GetGameTimeMS().count());
             stackAmount++;
         }
 
         // pop stack if it expired for us
-        if (_applyTimes.front() + GetMaxDuration() < World::GetGameTimeMS())
+        if (_applyTimes.front() + GetMaxDuration() < GameTime::GetGameTimeMS().count())
         {
             stackAmount--;
             ModStackAmount(-1, AURA_REMOVE_BY_EXPIRE);
diff --git a/src/server/scripts/Spells/spell_item.cpp b/src/server/scripts/Spells/spell_item.cpp
index 8b0ed7ec0e..8d1140e54f 100644
--- a/src/server/scripts/Spells/spell_item.cpp
+++ b/src/server/scripts/Spells/spell_item.cpp
@@ -22,6 +22,7 @@
  */
 
 #include "Battleground.h"
+#include "GameTime.h"
 #include "Player.h"
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
@@ -2716,11 +2717,13 @@ class spell_item_crystal_prison_dummy_dnd : public SpellScript
     void HandleDummy(SpellEffIndex /* effIndex */)
     {
         if (Creature* target = GetHitCreature())
+        {
             if (target->isDead() && !target->IsPet())
             {
-                GetCaster()->SummonGameObject(OBJECT_IMPRISONED_DOOMGUARD, target->GetPositionX(), target->GetPositionY(), target->GetPositionZ(), target->GetOrientation(), 0, 0, 0, 0, uint32(target->GetRespawnTime() - time(nullptr)));
+                GetCaster()->SummonGameObject(OBJECT_IMPRISONED_DOOMGUARD, target->GetPositionX(), target->GetPositionY(), target->GetPositionZ(), target->GetOrientation(), 0, 0, 0, 0, uint32(target->GetRespawnTime() - GameTime::GetGameTime().count()));
                 target->DespawnOrUnsummon();
             }
+        }
     }
 
     void Register() override
diff --git a/src/server/scripts/World/areatrigger_scripts.cpp b/src/server/scripts/World/areatrigger_scripts.cpp
index d60a4180d1..3de188d331 100644
--- a/src/server/scripts/World/areatrigger_scripts.cpp
+++ b/src/server/scripts/World/areatrigger_scripts.cpp
@@ -34,6 +34,7 @@ at_brewfest
 at_area_52_entrance
 EndContentData */
 
+#include "GameTime.h"
 #include "Player.h"
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
@@ -384,7 +385,7 @@ public:
     {
         uint32 triggerId = trigger->entry;
         // Second trigger happened too early after first, skip for now
-        if (sWorld->GetGameTime() - _triggerTimes[triggerId] < AREATRIGGER_TALK_COOLDOWN)
+        if (GameTime::GetGameTime().count() - _triggerTimes[triggerId] < AREATRIGGER_TALK_COOLDOWN)
             return false;
 
         switch (triggerId)
@@ -401,7 +402,7 @@ public:
                 break;
         }
 
-        _triggerTimes[triggerId] = sWorld->GetGameTime();
+        _triggerTimes[triggerId] = GameTime::GetGameTime().count();
         return false;
     }
 
@@ -441,7 +442,7 @@ public:
             return false;
 
         uint32 triggerId = trigger->entry;
-        if (sWorld->GetGameTime() - _triggerTimes[trigger->entry] < SUMMON_COOLDOWN)
+        if (GameTime::GetGameTime().count() - _triggerTimes[trigger->entry] < SUMMON_COOLDOWN)
             return false;
 
         switch (triggerId)
@@ -470,7 +471,7 @@ public:
 
         player->SummonCreature(NPC_SPOTLIGHT, x, y, z, 0.0f, TEMPSUMMON_TIMED_DESPAWN, 5000);
         player->AddAura(SPELL_A52_NEURALYZER, player);
-        _triggerTimes[trigger->entry] = sWorld->GetGameTime();
+        _triggerTimes[trigger->entry] = GameTime::GetGameTime().count();
         return false;
     }
 
diff --git a/src/server/scripts/World/go_scripts.cpp b/src/server/scripts/World/go_scripts.cpp
index 95a7c806da..4c05c2a390 100644
--- a/src/server/scripts/World/go_scripts.cpp
+++ b/src/server/scripts/World/go_scripts.cpp
@@ -43,6 +43,7 @@ EndContentData */
 
 #include "CellImpl.h"
 #include "GameObjectAI.h"
+#include "GameTime.h"
 #include "GridNotifiersImpl.h"
 #include "Player.h"
 #include "ScriptMgr.h"
@@ -1414,7 +1415,7 @@ class go_inconspicuous_landmark : public GameObjectScript
 public:
     go_inconspicuous_landmark() : GameObjectScript("go_inconspicuous_landmark")
     {
-        _lastUsedTime = time(nullptr);
+        _lastUsedTime = GameTime::GetGameTime().count();
     }
 
     bool OnGossipHello(Player* player, GameObject* /*go*/) override
@@ -1422,10 +1423,10 @@ public:
         if (player->HasItemCount(ITEM_CUERGOS_KEY))
             return true;
 
-        if (_lastUsedTime > time(nullptr))
+        if (_lastUsedTime > GameTime::GetGameTime().count())
             return true;
 
-        _lastUsedTime = time(nullptr) + MINUTE;
+        _lastUsedTime = GameTime::GetGameTime().count() + MINUTE;
         player->CastSpell(player, SPELL_SUMMON_PIRATES_TREASURE_AND_TRIGGER_MOB, true);
         return true;
     }
diff --git a/src/server/scripts/World/npc_stave_of_ancients.cpp b/src/server/scripts/World/npc_stave_of_ancients.cpp
index 0e52049fea..3d781258c7 100644
--- a/src/server/scripts/World/npc_stave_of_ancients.cpp
+++ b/src/server/scripts/World/npc_stave_of_ancients.cpp
@@ -17,6 +17,7 @@
 
 #include "npc_stave_of_ancients.h"
 #include "CreatureGroups.h"
+#include "GameTime.h"
 #include "Player.h"
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
@@ -602,7 +603,7 @@ public:
             if (Precious()->isDead())
             {
                 // Make it so that Precious respawns after Simone
-                uint32 respawnTime = me->GetRespawnTime() - time(nullptr);
+                uint32 respawnTime = me->GetRespawnTime() - GameTime::GetGameTime().count();
                 Precious()->SetRespawnTime(respawnTime);
                 return;
             }
diff --git a/src/server/scripts/World/npcs_special.cpp b/src/server/scripts/World/npcs_special.cpp
index 5b71ad17b4..0a0da2de2a 100644
--- a/src/server/scripts/World/npcs_special.cpp
+++ b/src/server/scripts/World/npcs_special.cpp
@@ -42,6 +42,7 @@ EndContentData */
 #include "CreatureTextMgr.h"
 #include "DBCStructure.h"
 #include "GameEventMgr.h"
+#include "GameTime.h"
 #include "GridNotifiers.h"
 #include "ObjectMgr.h"
 #include "PassiveAI.h"
diff --git a/src/server/worldserver/Main.cpp b/src/server/worldserver/Main.cpp
index 29b73b509a..dc69d8c028 100644
--- a/src/server/worldserver/Main.cpp
+++ b/src/server/worldserver/Main.cpp
@@ -23,7 +23,6 @@
 #include "AppenderDB.h"
 #include "AsyncAcceptor.h"
 #include "AsyncAuctionListing.h"
-#include "AvgDiffTracker.h"
 #include "Banner.h"
 #include "BattlegroundMgr.h"
 #include "BigNumber.h"
@@ -590,8 +589,6 @@ void WorldUpdateLoop()
         realPrevTime = realCurrTime;
 
         uint32 executionTimeDiff = getMSTimeDiff(realCurrTime, getMSTime());
-        devDiffTracker.Update(executionTimeDiff);
-        avgDiffTracker.Update(executionTimeDiff > WORLD_SLEEP_CONST ? executionTimeDiff : WORLD_SLEEP_CONST);
 
         // we know exactly how long it took to update the world, if the update took less than WORLD_SLEEP_CONST, sleep for WORLD_SLEEP_CONST - world update time
         if (executionTimeDiff < WORLD_SLEEP_CONST)
diff --git a/src/server/worldserver/worldserver.conf.dist b/src/server/worldserver/worldserver.conf.dist
index e5c46f7d05..8e7e7b3e78 100644
--- a/src/server/worldserver/worldserver.conf.dist
+++ b/src/server/worldserver/worldserver.conf.dist
@@ -3724,6 +3724,7 @@ Logger.scripts.hotswap=4,Console Server
 Logger.server=4,Console Server
 Logger.sql.sql=2,Console DBErrors
 Logger.sql=4,Console Server
+Logger.time.update=4,Console Server
 
 #Logger.achievement=4,Console Server
 #Logger.addon=4,Console Server
diff --git a/src/test/mocks/WorldMock.h b/src/test/mocks/WorldMock.h
index f95e15e9b0..832d4917a4 100644
--- a/src/test/mocks/WorldMock.h
+++ b/src/test/mocks/WorldMock.h
@@ -20,6 +20,7 @@
 
 #include "ArenaSpectator.h"
 #include "IWorld.h"
+#include "Duration.h"
 #include "gmock/gmock.h"
 
 #pragma GCC diagnostic push
@@ -27,9 +28,10 @@
 
 void AddScripts() {}
 
-class WorldMock: public IWorld {
+class WorldMock: public IWorld
+{
 public:
-    ~WorldMock() override {}
+    ~WorldMock() override { }
     MOCK_METHOD(WorldSession*, FindSession, (uint32 id), (const));
     MOCK_METHOD(WorldSession*, FindOfflineSession, (uint32 id), (const));
     MOCK_METHOD(WorldSession*, FindOfflineSessionForCharacterGUID, (ObjectGuid::LowType guidLow),(const));
@@ -65,14 +67,9 @@ public:
     MOCK_METHOD(std::string const&, GetNewCharString, (), (const));
     MOCK_METHOD(LocaleConstant, GetDefaultDbcLocale, (), (const));
     MOCK_METHOD(std::string const&, GetDataPath, (), (const));
-    MOCK_METHOD(time_t const&, GetStartTime, (), (const));
-    MOCK_METHOD(time_t const&, GetGameTime, (), (const));
-    MOCK_METHOD(uint32, GetUptime, (), (const));
-    MOCK_METHOD(uint32, GetUpdateTime, (), (const));
-    MOCK_METHOD(void, SetRecordDiffInterval, (int32 t));
-    MOCK_METHOD(time_t, GetNextDailyQuestsResetTime, (), (const));
-    MOCK_METHOD(time_t, GetNextWeeklyQuestsResetTime, (), (const));
-    MOCK_METHOD(time_t, GetNextRandomBGResetTime, (), (const));
+    MOCK_METHOD(Seconds, GetNextDailyQuestsResetTime, (), (const));
+    MOCK_METHOD(Seconds, GetNextWeeklyQuestsResetTime, (), (const));
+    MOCK_METHOD(Seconds, GetNextRandomBGResetTime, (), (const));
     MOCK_METHOD(uint16, GetConfigMaxSkillValue, (), (const));
     MOCK_METHOD(void, SetInitialWorldSettings, ());
     MOCK_METHOD(void, LoadConfigSettings, (bool reload), ());