diff --git a/Refresh.Database/GameDatabaseContext.Contests.cs b/Refresh.Database/GameDatabaseContext.Contests.cs
index 8bd91600..02b65b7a 100644
--- a/Refresh.Database/GameDatabaseContext.Contests.cs
+++ b/Refresh.Database/GameDatabaseContext.Contests.cs
@@ -17,8 +17,9 @@ public GameContest CreateContest(string contestId, ICreateContestInfo createInfo
             ContestId = contestId,
             Organizer = organizer,
             CreationDate = this._time.Now,
-            StartDate = createInfo.StartDate!.Value,
-            EndDate = createInfo.EndDate!.Value,
+            // EF doesn't support timestamps with offsets
+            StartDate = createInfo.StartDate!.Value.UtcDateTime,
+            EndDate = createInfo.EndDate!.Value.UtcDateTime,
             ContestTitle = createInfo.ContestTitle!,
             BannerUrl = createInfo.BannerUrl ?? "",
             ContestTag = createInfo.ContestTag ?? $"#{contestId}",
@@ -80,9 +81,9 @@ public GameContest UpdateContest(ICreateContestInfo body, GameContest contest, G
                 contest.Organizer = newOrganizer;
             
             if(body.StartDate != null)
-                contest.StartDate = body.StartDate.Value;
+                contest.StartDate = body.StartDate.Value.UtcDateTime;
             if(body.EndDate != null)
-                contest.EndDate = body.EndDate.Value;
+                contest.EndDate = body.EndDate.Value.UtcDateTime;
             if(body.ContestTag != null)
                 contest.ContestTag = body.ContestTag;
             if(body.BannerUrl != null)
diff --git a/Refresh.Database/GameDatabaseContext.Users.cs b/Refresh.Database/GameDatabaseContext.Users.cs
index 2ec99d8b..977b0cea 100644
--- a/Refresh.Database/GameDatabaseContext.Users.cs
+++ b/Refresh.Database/GameDatabaseContext.Users.cs
@@ -320,7 +320,7 @@ private void PunishUser(GameUser user, string reason, DateTimeOffset expiryDate,
         {
             user.Role = role;
             user.BanReason = reason;
-            user.BanExpiryDate = expiryDate;
+            user.BanExpiryDate = expiryDate.UtcDateTime; // EF doesn't support timestamps with offsets
         });
     }
 
diff --git a/RefreshTests.GameServer/Tests/Levels/ContestTests.cs b/RefreshTests.GameServer/Tests/Levels/ContestTests.cs
index c2422567..2e67e8e3 100644
--- a/RefreshTests.GameServer/Tests/Levels/ContestTests.cs
+++ b/RefreshTests.GameServer/Tests/Levels/ContestTests.cs
@@ -24,7 +24,6 @@ private GameContest CreateContest(TestContext context, GameUser? organizer = nul
     {
         organizer ??= context.CreateUser();
         GameLevel templateLevel = context.CreateLevel(organizer);
-        
         GameContest contest = context.Database.CreateContest(id, new ApiContestRequest
         {
             OrganizerId = organizer.UserId.ToString(),
@@ -95,6 +94,49 @@ public void CanCreateContestWithLessData()
         Assert.That(contest, Is.Not.Null);
     }
 
+    [Test]
+    public void CanCreateAndUpdateContestWithOffsetTimestamps()
+    {
+        using TestContext context = this.GetServer(false);
+        GameUser organizer = context.CreateUser();
+        DateTime now = context.Time.Now.DateTime;
+        
+        // Create
+        Assert.That(() =>
+        {
+            // ReSharper disable once AccessToDisposedClosure
+            context.Database.CreateContest("contestde", new ApiContestRequest
+            {
+                OrganizerId = organizer.UserId.ToString(),
+                ContestTitle = "geremany contest",
+                StartDate = new(now, new(2, 0, 0)),
+                EndDate = new(now.AddHours(4), new(2, 0, 0)),
+            }, organizer, null);
+        }, Throws.Nothing);
+
+        GameContest? contest = context.Database.GetContestById("contestde");
+        Assert.That(contest, Is.Not.Null);
+        Assert.That(contest!.StartDate.DateTime.Equals(now.AddHours(-2)), Is.True);
+        Assert.That(contest!.EndDate.DateTime.Equals(now.AddHours(2)), Is.True);
+
+        // Update
+        Assert.That(() =>
+        {
+            // ReSharper disable once AccessToDisposedClosure
+            context.Database.UpdateContest(new ApiContestRequest
+            {
+                OrganizerId = organizer.UserId.ToString(),
+                StartDate = new(now, new(4, 0, 0)),
+                EndDate = new(now.AddHours(5), new(4, 0, 0)),
+            }, contest, organizer, null);
+        }, Throws.Nothing);
+
+        GameContest? updated = context.Database.GetContestById("contestde");
+        Assert.That(updated, Is.Not.Null);
+        Assert.That(updated!.StartDate.DateTime.Equals(now.AddHours(-4)), Is.True);
+        Assert.That(updated!.EndDate.DateTime.Equals(now.AddHours(1)), Is.True);
+    }
+
     [Test]
     public void CanCreateContestFromApi()
     {
diff --git a/RefreshTests.GameServer/Tests/Moderation/PunishmentTests.cs b/RefreshTests.GameServer/Tests/Moderation/PunishmentTests.cs
new file mode 100644
index 00000000..606456b4
--- /dev/null
+++ b/RefreshTests.GameServer/Tests/Moderation/PunishmentTests.cs
@@ -0,0 +1,42 @@
+using Refresh.Database.Models.Users;
+
+namespace RefreshTests.GameServer.Tests.Moderation;
+
+public class PunishmentTests : GameServerTest
+{
+    [Test]
+    public void CanPunishWithOffsetExpiryDate()
+    {
+        using TestContext context = this.GetServer();
+        GameUser user = context.CreateUser();
+        GameUser mod = context.CreateUser();
+        DateTime now = context.Time.Now.DateTime;
+
+        // Restrict
+        Assert.That(() =>
+        {
+            context.Database.RestrictUser(user, "too many skill issues", new(now.AddHours(4), new(2, 0, 0)));
+        }, Throws.Nothing);
+        
+        context.Database.Refresh();
+        GameUser? restrictedUser = context.Database.GetUserByObjectId(user.UserId);
+        Assert.That(restrictedUser, Is.Not.Null);
+        Assert.That(restrictedUser!.Role, Is.EqualTo(GameUserRole.Restricted));
+        Assert.That(restrictedUser!.BanExpiryDate, Is.Not.Null);
+        Assert.That(restrictedUser!.BanExpiryDate!.Value.DateTime.Equals(now.AddHours(2)), Is.True);
+
+        // Ban
+        Assert.That(() =>
+        {
+            // Passing user here, for some reason, makes the ban not get written but also doesn't cause a throw
+            context.Database.BanUser(restrictedUser, "even more skill issues", new(now.AddHours(8), new(4, 0, 0)));
+        }, Throws.Nothing);
+        
+        context.Database.Refresh();
+        GameUser? bannedUser = context.Database.GetUserByObjectId(restrictedUser.UserId);
+        Assert.That(bannedUser, Is.Not.Null);
+        Assert.That(bannedUser!.Role, Is.EqualTo(GameUserRole.Banned));
+        Assert.That(bannedUser!.BanExpiryDate, Is.Not.Null);
+        Assert.That(bannedUser!.BanExpiryDate!.Value.DateTime.Equals(now.AddHours(4)), Is.True);
+    }
+}
\ No newline at end of file