diff --git a/airflow-core/src/airflow/timetables/_cron.py b/airflow-core/src/airflow/timetables/_cron.py
index ed0b3c76bb786..245cc3fbc3953 100644
--- a/airflow-core/src/airflow/timetables/_cron.py
+++ b/airflow-core/src/airflow/timetables/_cron.py
@@ -131,7 +131,7 @@ def __eq__(self, other: object) -> bool:
         return self._expression == other._expression and self._timezone == other._timezone
 
     def __hash__(self):
-        return hash((self._expression, self._timezone))
+        return hash((self._expression, str(self._timezone)))
 
     @property
     def summary(self) -> str:
diff --git a/airflow-core/tests/unit/timetables/test_trigger_timetable.py b/airflow-core/tests/unit/timetables/test_trigger_timetable.py
index f4718f8d04bb9..02a58323e14ea 100644
--- a/airflow-core/tests/unit/timetables/test_trigger_timetable.py
+++ b/airflow-core/tests/unit/timetables/test_trigger_timetable.py
@@ -1196,3 +1196,10 @@ def test_run_immediately_does_not_pick_future_run(get_info: typing.Callable[[],
     assert info is not None
     assert info.run_after <= pendulum.DateTime(2024, 11, 3, 5, 30, tzinfo=utc)
     assert info.run_after == pendulum.DateTime(2024, 11, 2, 5, tzinfo=utc)
+
+
+def test_cron_timetables_are_hashable():
+    timetable = CronTriggerTimetable("0 0 * * *", timezone="UTC")
+    same = CronTriggerTimetable("0 0 * * *", timezone="UTC")
+    assert timetable == same
+    assert hash(timetable) == hash(same)