diff --git a/S1API/GameTime/GameDateTime.cs b/S1API/GameTime/GameDateTime.cs
index bf72ea81..9aa462d7 100644
--- a/S1API/GameTime/GameDateTime.cs
+++ b/S1API/GameTime/GameDateTime.cs
@@ -1,22 +1,150 @@
-// TODO: Implement GameDateTime wrapper
-// #if (IL2CPP)
-// using S1GameTime = Il2CppScheduleOne.GameTime;
-// #elif (MONO)
-// using S1GameTime = ScheduleOne.GameTime;
-// #endif
-//
-// namespace S1API.API.GameTime
-// {
-//     struct GameDateTime
-//     {
-//         public int elapsedDays;
-//         public int time;
-//         
-//         public GameDateTime(S1GameTime.GameDateTime gameDateTime)
-//         {
-//             
-//         }
-//         
-//         public void Ad
-//     }
-// }
\ No newline at end of file
+#if (IL2CPP)
+using S1GameDateTime = Il2CppScheduleOne.GameTime.GameDateTime;
+using S1TimeManager = Il2CppScheduleOne.GameTime.TimeManager;
+using S1GameDateTimeData = Il2CppScheduleOne.Persistence.Datas.GameDateTimeData;
+#elif (MONO)
+using S1GameDateTime = ScheduleOne.GameTime.GameDateTime;
+using S1TimeManager = ScheduleOne.GameTime.TimeManager;
+using S1GameDateTimeData = ScheduleOne.Persistence.Datas.GameDateTimeData;
+#endif
+
+using System;
+
+namespace S1API.GameTime
+{
+    /// <summary>
+    /// Represents an in-game datetime (elapsed days and 24-hour time).
+    /// </summary>
+    public struct GameDateTime
+    {
+        public int ElapsedDays;
+        public int Time;
+
+        /// <summary>
+        /// Constructs a GameDateTime from elapsed days and 24-hour time.
+        /// </summary>
+        public GameDateTime(int elapsedDays, int time)
+        {
+            ElapsedDays = elapsedDays;
+            Time = time;
+        }
+
+        /// <summary>
+        /// Constructs a GameDateTime from total minutes.
+        /// </summary>
+        public GameDateTime(int minSum)
+        {
+            ElapsedDays = minSum / 1440;
+            int minutesInDay = minSum % 1440;
+            if (minSum < 0)
+            {
+                minutesInDay = -minSum % 1440;
+            }
+            Time = S1TimeManager.Get24HourTimeFromMinSum(minutesInDay);
+        }
+
+        /// <summary>
+        /// Constructs a GameDateTime from an internal GameDateTimeData.
+        /// </summary>
+        public GameDateTime(S1GameDateTimeData data)
+        {
+            ElapsedDays = data.ElapsedDays;
+            Time = data.Time;
+        }
+
+        /// <summary>
+        /// Constructs a GameDateTime from the internal GameDateTime struct.
+        /// </summary>
+        public GameDateTime(S1GameDateTime gameDateTime)
+        {
+            ElapsedDays = gameDateTime.elapsedDays;
+            Time = gameDateTime.time;
+        }
+
+        /// <summary>
+        /// Returns the total minute sum (days * 1440 + minutes of day).
+        /// </summary>
+        public int GetMinSum()
+        {
+            return ElapsedDays * 1440 + S1TimeManager.GetMinSumFrom24HourTime(Time);
+        }
+
+        /// <summary>
+        /// Returns a new GameDateTime with additional minutes added.
+        /// </summary>
+        public GameDateTime AddMinutes(int minutes)
+        {
+            return new GameDateTime(GetMinSum() + minutes);
+        }
+
+        /// <summary>
+        /// Converts this wrapper to the internal GameDateTime struct.
+        /// </summary>
+        public S1GameDateTime ToS1()
+        {
+            return new S1GameDateTime(ElapsedDays, Time);
+        }
+
+        /// <summary>
+        /// Returns the current time formatted as a 12-hour AM/PM string.
+        /// Example: "12:30 PM"
+        /// </summary>
+        public string GetFormattedTime()
+        {
+            return S1TimeManager.Get12HourTime(Time, true);
+        }
+
+        /// <summary>
+        /// Returns true if the time is considered nighttime.
+        /// (Before 6AM or after 6PM)
+        /// </summary>
+        public bool IsNightTime()
+        {
+            return Time < 600 || Time >= 1800;
+        }
+
+        /// <summary>
+        /// Returns true if the two GameDateTimes are on the same day (ignores time).
+        /// </summary>
+        public bool IsSameDay(GameDateTime other)
+        {
+            return ElapsedDays == other.ElapsedDays;
+        }
+
+        /// <summary>
+        /// Returns true if the two GameDateTimes are at the same day and time.
+        /// </summary>
+        public bool IsSameTime(GameDateTime other)
+        {
+            return ElapsedDays == other.ElapsedDays && Time == other.Time;
+        }
+
+        /// <summary>
+        /// String representation: "Day 3, 2:30 PM"
+        /// </summary>
+        public override string ToString()
+        {
+            return $"Day {ElapsedDays}, {GetFormattedTime()}";
+        }
+
+        public static GameDateTime operator +(GameDateTime a, GameDateTime b)
+        {
+            return new GameDateTime(a.GetMinSum() + b.GetMinSum());
+        }
+
+        public static GameDateTime operator -(GameDateTime a, GameDateTime b)
+        {
+            return new GameDateTime(a.GetMinSum() - b.GetMinSum());
+        }
+
+        public static bool operator >(GameDateTime a, GameDateTime b)
+        {
+            return a.GetMinSum() > b.GetMinSum();
+        }
+
+        public static bool operator <(GameDateTime a, GameDateTime b)
+        {
+            return a.GetMinSum() < b.GetMinSum();
+        }
+    }
+}
diff --git a/S1API/GameTime/TimeManager.cs b/S1API/GameTime/TimeManager.cs
index 45f78f9c..6e181260 100644
--- a/S1API/GameTime/TimeManager.cs
+++ b/S1API/GameTime/TimeManager.cs
@@ -1,7 +1,7 @@
 #if (IL2CPP)
-using S1GameTime = Il2CppScheduleOne.GameTime;
+using S1GameTime = Il2CppScheduleOne.GameTime.TimeManager;
 #elif (MONO)
-using S1GameTime = ScheduleOne.GameTime;
+using S1GameTime = ScheduleOne.GameTime.TimeManager;
 #endif
 
 using System;
@@ -14,14 +14,129 @@ namespace S1API.GameTime
     public static class TimeManager
     {
         /// <summary>
-        /// Action called when the day passes in-game.
+        /// Called when a new in-game day starts.
         /// </summary>
         public static Action OnDayPass = delegate { };
-        
+
+        /// <summary>
+        /// Called when a new in-game week starts.
+        /// </summary>
+        public static Action OnWeekPass = delegate { };
+
+        /// <summary>
+        /// Called when the player starts sleeping.
+        /// </summary>
+        public static Action OnSleepStart = delegate { };
+
+        /// <summary>
+        /// Called when the player finishes sleeping. 
+        /// Parameter: total minutes skipped during sleep.
+        /// </summary>
+        public static Action<int> OnSleepEnd = delegate { };
+
+        static TimeManager()
+        {
+            if (S1GameTime.Instance != null)
+            {
+                S1GameTime.Instance.onDayPass += (Action)(() => OnDayPass());
+                S1GameTime.Instance.onWeekPass += (Action)(() => OnWeekPass());
+            }
+
+            S1GameTime.onSleepStart += (Action)(() => OnSleepStart());
+            S1GameTime.onSleepEnd += (Action<int>)(minutes => OnSleepEnd(minutes));
+        }
+
+
+        /// <summary>
+        /// The current in-game day (Monday, Tuesday, etc.).
+        /// </summary>
+        public static Day CurrentDay => (Day)S1GameTime.Instance.CurrentDay;
+
+        /// <summary>
+        /// The number of in-game days elapsed.
+        /// </summary>
+        public static int ElapsedDays => S1GameTime.Instance.ElapsedDays;
+
+        /// <summary>
+        /// The current 24-hour time (e.g., 1330 for 1:30 PM).
+        /// </summary>
+        public static int CurrentTime => S1GameTime.Instance.CurrentTime;
+
+        /// <summary>
+        /// Whether it is currently nighttime in-game.
+        /// </summary>
+        public static bool IsNight => S1GameTime.Instance.IsNight;
+
+        /// <summary>
+        /// Whether the game is currently at the end of the day (4:00 AM).
+        /// </summary>
+        public static bool IsEndOfDay => S1GameTime.Instance.IsEndOfDay;
+
+        /// <summary>
+        /// Whether the player is currently sleeping.
+        /// </summary>
+        public static bool SleepInProgress => S1GameTime.Instance.SleepInProgress;
+
+        /// <summary>
+        /// Whether the time is currently overridden (frozen or custom).
+        /// </summary>
+        public static bool TimeOverridden => S1GameTime.Instance.TimeOverridden;
+
+        /// <summary>
+        /// The current normalized time of day (0.0 = start, 1.0 = end).
+        /// </summary>
+        public static float NormalizedTime => S1GameTime.Instance.NormalizedTime;
+
+        /// <summary>
+        /// Total playtime (in seconds).
+        /// </summary>
+        public static float Playtime => S1GameTime.Instance.Playtime;
+
+        /// <summary>
+        /// Fast-forwards time to morning wake time (7:00 AM).
+        /// </summary>
+        public static void FastForwardToWakeTime() => S1GameTime.Instance.FastForwardToWakeTime();
+
+        /// <summary>
+        /// Sets the current time manually.
+        /// </summary>
+        public static void SetTime(int time24h, bool local = false) => S1GameTime.Instance.SetTime(time24h, local);
+
+        /// <summary>
+        /// Sets the number of elapsed in-game days.
+        /// </summary>
+        public static void SetElapsedDays(int days) => S1GameTime.Instance.SetElapsedDays(days);
+
+        /// <summary>
+        /// Gets the current time formatted in 12-hour AM/PM format.
+        /// </summary>
+        public static string GetFormatted12HourTime()
+        {
+            return S1GameTime.Get12HourTime(CurrentTime, true);
+        }
+
+        /// <summary>
+        /// Returns true if the current time is within the specified 24-hour range.
+        /// </summary>
+        public static bool IsCurrentTimeWithinRange(int startTime24h, int endTime24h)
+        {
+            return S1GameTime.Instance.IsCurrentTimeWithinRange(startTime24h, endTime24h);
+        }
+
+        /// <summary>
+        /// Converts 24-hour time to total minutes.
+        /// </summary>
+        public static int GetMinutesFrom24HourTime(int time24h)
+        {
+            return S1GameTime.GetMinSumFrom24HourTime(time24h);
+        }
+
         /// <summary>
-        /// The current in-game day.
+        /// Converts total minutes into 24-hour time format.
         /// </summary>
-        public static Day CurrentDay => 
-            (Day)S1GameTime.TimeManager.Instance.CurrentDay;
+        public static int Get24HourTimeFromMinutes(int minutes)
+        {
+            return S1GameTime.Get24HourTimeFromMinSum(minutes);
+        }
     }
-}
\ No newline at end of file
+}