Switch to UTC timestamps, output in local time

src/ddns_service/cleanup.py

@@ -2,9 +2,10 @@
 
 import logging
 import threading
-from datetime import datetime, timedelta
 
+from . import utc_now
 from .models import Hostname, User
+from datetime import timedelta
 
 
 def cleanup_expired(app):
@@ -17,7 +18,7 @@ def cleanup_expired(app):
     Returns:
         Number of expired hostnames processed.
     """
-    now = datetime.now(datetime.timezone.utc)
+    now = utc_now()
     expired_count = 0
 
     for hostname in Hostname.select().join(User).where(