Core/Calendar: Implement different timezone support for ingame calendar

Closes #8390
Closes #29427

(cherry picked from commit b888b1b09f71a8b8b4a9d45c804a1f164fb65ac3)

1 files changed, 17 insertions, 0 deletions

diff --git a/src/server/game/Time/GameTime.cpp b/src/server/game/Time/GameTime.cpp
index 399be3196b3..3175c0e5571 100644
--- a/src/server/game/Time/GameTime.cpp
+++ b/src/server/game/Time/GameTime.cpp
@@ -17,7 +17,9 @@
 
 #include "GameTime.h"
 #include "Timer.h"
+#include "Timezone.h"
 #include "Util.h"
+#include "WowTime.h"
 
 namespace GameTime
 {
@@ -31,6 +33,9 @@ namespace GameTime
 
     tm DateTime;
 
+    WowTime UtcWow;
+    WowTime Wow;
+
     time_t GetStartTime()
     {
         return StartTime;
@@ -84,6 +89,16 @@ namespace GameTime
         return &DateTime;
     }
 
+    WowTime const* GetUtcWowTime()
+    {
+        return &UtcWow;
+    }
+
+    WowTime const* GetWowTime()
+    {
+        return &Wow;
+    }
+
     void UpdateGameTimers()
     {
         GameTime = time(nullptr);
@@ -91,5 +106,7 @@ namespace GameTime
         GameTimeSystemPoint = std::chrono::system_clock::now();
         GameTimeSteadyPoint = std::chrono::steady_clock::now();
         localtime_r(&GameTime, &DateTime);
+        UtcWow.SetUtcTimeFromUnixTime(GameTime);
+        Wow = UtcWow + Trinity::Timezone::GetSystemZoneOffsetAt(GameTimeSystemPoint);
     }
 }