Make sure to use ISO based weeks in every case.

fix #3910
2026-10-17 05:41:25 +02:00 · 2026-02-19 14:26:34 +01:00
parent ce2b67575d
commit d51682b635
1 changed files with 1 additions and 1 deletions
@@ -218,7 +218,7 @@ def import_from_imap(options):
 def week_range(year, weeknumber):
    """Return start and end dates of a given week."""
    tz = timezone.get_current_timezone()
-    fmt = "%Y-%W-%w"
+    fmt = "%G-%V-%w"
    start_week = datetime.datetime.strptime(f"{year}-{weeknumber}-{1}", fmt)
    end_week = datetime.datetime.strptime(f"{year}-{weeknumber}-{0}", fmt)
    return start_week.replace(tzinfo=tz), end_week.replace(tzinfo=tz)