@@ -90,8 +90,10 @@ return await fetch_calendar_async(urllib.parse.urlunsplit(u))
     else:
         raise ValueError("Calendar URL or file not configured.")
 
-def fixup_date(dt: datetime) -> datetime:
-    if dt.tzinfo is None:
+def fixup_date(dt: datetime | date) -> datetime:
+    if not isinstance(dt, datetime):
+        return datetime.combine(dt, time.min, tzinfo=tz)
+    elif dt.tzinfo is None:
         return dt.replace(tzinfo=tz)
     else:
         return dt.astimezone(tz)