diff --git a/tests/components/withings/test_common.py b/tests/components/withings/test_common.py
index 4a48dcee571..65ff65ebbd8 100644
--- a/tests/components/withings/test_common.py
+++ b/tests/components/withings/test_common.py
@@ -115,7 +115,7 @@ async def test_data_manager_update_sleep_date_range(
     """Test method."""
     patch_time_zone = patch(
         "homeassistant.util.dt.DEFAULT_TIME_ZONE",
-        new=dt.get_time_zone("America/Los_Angeles"),
+        new=dt.get_time_zone("America/Belize"),
     )
 
     with patch_time_zone:
@@ -126,10 +126,10 @@ async def test_data_manager_update_sleep_date_range(
         startdate = call_args.get("startdate")
         enddate = call_args.get("enddate")
 
-        assert startdate.tzname() == "PST"
+        assert startdate.tzname() == "CST"
 
-        assert enddate.tzname() == "PST"
-        assert startdate.tzname() == "PST"
+        assert enddate.tzname() == "CST"
+        assert startdate.tzname() == "CST"
         assert update_start_time < enddate
         assert enddate < update_start_time + timedelta(seconds=1)
         assert enddate > startdate