Use datetime.now().date() instead of today().

cogs/commands/set.py

@@ -2,7 +2,7 @@
 Contains commands and views for set commands.
 """
 
-from datetime import datetime
+from datetime import UTC, datetime
 
 import nextcord
 from nextcord.ext import commands
@@ -57,7 +57,7 @@ class setCog(commands.Cog, name="Set Commands"):
                 return
 
         # check if valid day
-        today = datetime.today()
+        today = datetime.now(tz=UTC).date()
         try:
             birthday = datetime(today.year, month, day)
         except ValueError: