diff --git a/cogs/cog_event.py b/cogs/cog_event.py
index fc788ec..0ae2806 100644
--- a/cogs/cog_event.py
+++ b/cogs/cog_event.py
@@ -106,7 +106,7 @@ class CogEvent(Cog):
             )
             return
 
-        if not await validate_event_validity(ctx, name, start_date, end_date, guild_timezone):
+        if not await validate_event_validity(ctx, name, start_date, end_date, to_utc=True):
             return
 
         processed_media: List[Dict[str, Any]] = (
@@ -204,7 +204,12 @@ class CogEvent(Cog):
             start_date: datetime = (
                 pycord_event.starts if start is None else datetime.strptime(start, "%d.%m.%Y %H:%M")
             )
-            start_date = start_date.replace(tzinfo=guild_timezone)
+
+            start_date = (
+                start_date.replace(tzinfo=ZoneInfo("UTC"))
+                if start is None
+                else start_date.replace(tzinfo=guild_timezone)
+            )
         except ValueError:
             # TODO Make a nice message
             await ctx.respond(
@@ -216,7 +221,12 @@ class CogEvent(Cog):
             end_date: datetime = (
                 pycord_event.ends if end is None else datetime.strptime(end, "%d.%m.%Y %H:%M")
             )
-            end_date = end_date.replace(tzinfo=guild_timezone)
+
+            end_date = (
+                end_date.replace(tzinfo=ZoneInfo("UTC"))
+                if end is None
+                else end_date.replace(tzinfo=guild_timezone)
+            )
         except ValueError:
             # TODO Make a nice message
             await ctx.respond(
@@ -224,7 +234,7 @@ class CogEvent(Cog):
             )
             return
 
-        if not await validate_event_validity(ctx, name, start_date, end_date, guild_timezone):
+        if not await validate_event_validity(ctx, name, start_date, end_date, to_utc=True):
             return
 
         processed_media: List[Dict[str, Any]] = (
diff --git a/modules/utils/event_utils.py b/modules/utils/event_utils.py
index 0f1b0eb..efb1fd0 100644
--- a/modules/utils/event_utils.py
+++ b/modules/utils/event_utils.py
@@ -14,20 +14,28 @@ async def validate_event_validity(
     ctx: ApplicationContext,
     name: str,
     start_date: datetime | None,
-    finish_date: datetime | None,
-    guild_timezone: ZoneInfo,
+    end_date: datetime | None,
     event_id: ObjectId | None = None,
+    to_utc: bool = False,
 ) -> bool:
-    if start_date >= finish_date:
-        # TODO Make a nice message
-        await ctx.respond("Start date must be before finish date")
-        return False
+    start_date_internal: datetime = start_date.astimezone(ZoneInfo("UTC")) if to_utc else start_date
+    end_date_internal: datetime = end_date.astimezone(ZoneInfo("UTC")) if to_utc else end_date
 
-    if start_date < datetime.now(tz=guild_timezone):
+    if start_date_internal < datetime.now(tz=ZoneInfo("UTC")):
         # TODO Make a nice message
         await ctx.respond("Start date must not be in the past")
         return False
 
+    if end_date_internal < datetime.now(tz=ZoneInfo("UTC")):
+        # TODO Make a nice message
+        await ctx.respond("End date must not be in the past")
+        return False
+
+    if start_date_internal >= end_date_internal:
+        # TODO Make a nice message
+        await ctx.respond("Start date must be before end date")
+        return False
+
     # TODO Add validation for concurrent events.
     #  Only one event can take place at the same time.
     query: Dict[str, Any] = {