Batch-editing: Fix time zone

owl/admin.py

@@ -151,7 +151,10 @@ def admin_topics(sident: str, cident: str):
 
             if batch_form.set_deadline.data:
                 for t in selected_topics:
-                    t.deadline = batch_form.deadline.data
+                    deadline = batch_form.deadline.data
+                    if deadline is not None:
+                        deadline = deadline.astimezone(tz=dateutil.tz.UTC)
+                    t.deadline = deadline
                     app.logger.info(f"Edited topic: tid={t.tid} by_uid={g.uid}")
                 if selected_topics:
                     sess.commit()