diff --git a/django/contrib/admin/views/main.py b/django/contrib/admin/views/main.py index 89b782ff750..2f0e915d5e0 100644 --- a/django/contrib/admin/views/main.py +++ b/django/contrib/admin/views/main.py @@ -173,8 +173,6 @@ class ChangeList: ) except ValueError as e: raise IncorrectLookupParameters(e) from e - if settings.USE_TZ: - from_date = make_aware(from_date) if day: to_date = from_date + timedelta(days=1) elif month: @@ -183,6 +181,9 @@ class ChangeList: to_date = (from_date + timedelta(days=32)).replace(day=1) else: to_date = from_date.replace(year=from_date.year + 1) + if settings.USE_TZ: + from_date = make_aware(from_date) + to_date = make_aware(to_date) lookup_params.update({ '%s__gte' % self.date_hierarchy: from_date, '%s__lt' % self.date_hierarchy: to_date, diff --git a/tests/admin_changelist/test_date_hierarchy.py b/tests/admin_changelist/test_date_hierarchy.py index f19e38f9bf2..65f42ecd058 100644 --- a/tests/admin_changelist/test_date_hierarchy.py +++ b/tests/admin_changelist/test_date_hierarchy.py @@ -46,6 +46,24 @@ class DateHierarchyTests(TestCase): make_aware(datetime(2017, 3, 1)), ) + def test_bounded_params_with_dst_time_zone(self): + tests = [ + # Northern hemisphere. + ('Asia/Jerusalem', 3), + ('Asia/Jerusalem', 10), + # Southern hemisphere. + ('Pacific/Chatham', 4), + ('Pacific/Chatham', 9), + ] + for time_zone, month in tests: + with self.subTest(time_zone=time_zone, month=month): + with self.settings(USE_TZ=True, TIME_ZONE=time_zone): + self.assertDateParams( + {'year': 2019, 'month': month}, + make_aware(datetime(2019, month, 1)), + make_aware(datetime(2019, month + 1, 1)), + ) + def test_invalid_params(self): tests = ( {'year': 'x'},