fix date comparision

app/user.py

@@ -910,7 +910,8 @@ class User:
         if self.reminders is not None and len(self.reminders):
             # remove all reminders which 'recurrence' is 'once' or 'action' is 'delete' or the date is < today
             # this is to ensure that only reminders with recurrence and future reminder are kept
-            self.reminders = [reminder for reminder in self.reminders if not (reminder['action'] == 'delete' or (reminder['recurrence'] in ['once', 'postponed'] and reminder['timestamp'] < pd.Timestamp.now(tz='UTC')))]
+            now_utc = pd.Timestamp.now(tz='UTC')
+            self.reminders = [reminder for reminder in self.reminders if not (reminder['action'] == 'delete' or (reminder['recurrence'] in ['once', 'postponed'] and reminder['timestamp'].tz_convert('UTC') < now_utc))]
             logger.info(f"Active Reminders: {self.reminders}", extra={"user_id": self.user_id, "endpoint": "user_change_date"})
 
         ## ADD POINT FOR CHANGE DATE