diff --git a/Source/Framework/Util/Time.cs b/Source/Framework/Util/Time.cs
index b7b153f9b..a9fea5e5f 100644
--- a/Source/Framework/Util/Time.cs
+++ b/Source/Framework/Util/Time.cs
@@ -141,6 +141,11 @@ public static class Time
         return hourLocal;
     }
 
+    public static long LocalTimeToUTCTime(long time)
+    {
+        return DateTimeToUnixTime(UnixTimeToDateTime(time).ToUniversalTime());
+    }
+
     public static string secsToTimeString(ulong timeInSecs, TimeFormat timeFormat = TimeFormat.FullText, bool hoursOnly = false)
     {
         ulong secs = timeInSecs % Minute;
diff --git a/Source/Game/Handlers/CalendarHandler.cs b/Source/Game/Handlers/CalendarHandler.cs
index bd3bf35af..c8292febf 100644
--- a/Source/Game/Handlers/CalendarHandler.cs
+++ b/Source/Game/Handlers/CalendarHandler.cs
@@ -121,6 +121,8 @@ namespace Game
         {
             ObjectGuid guid = GetPlayer().GetGUID();
 
+            calendarAddEvent.EventInfo.Time = Time.LocalTimeToUTCTime(calendarAddEvent.EventInfo.Time);
+
             // prevent events in the past
             // To Do: properly handle timezones and remove the "- time_t(86400L)" hack
             if (calendarAddEvent.EventInfo.Time < (GameTime.GetGameTime() - 86400L))
@@ -204,6 +206,8 @@ namespace Game
             ObjectGuid guid = GetPlayer().GetGUID();
             long oldEventTime;
 
+            calendarUpdateEvent.EventInfo.Time = Time.LocalTimeToUTCTime(calendarUpdateEvent.EventInfo.Time);
+
             // prevent events in the past
             // To Do: properly handle timezones and remove the "- time_t(86400L)" hack
             if (calendarUpdateEvent.EventInfo.Time < (GameTime.GetGameTime() - 86400L))
@@ -240,6 +244,8 @@ namespace Game
         {
             ObjectGuid guid = GetPlayer().GetGUID();
 
+            calendarCopyEvent.Date = Time.LocalTimeToUTCTime(calendarCopyEvent.Date);
+
             // prevent events in the past
             // To Do: properly handle timezones and remove the "- time_t(86400L)" hack
             if (calendarCopyEvent.Date < (GameTime.GetGameTime() - 86400L))