Troubleshoot offset calculation in get_timezone

Add second timezone test case to account for runner location

neon_utils/location_utils.py

@@ -148,10 +148,8 @@ def get_timezone(lat, lng) -> (str, float):
     :return: timezone name, offset in hours from UTC
     """
     timezone = TimezoneFinder().timezone_at(lng=float(lng), lat=float(lat))
-    _time = time()
-    utc_timestamp = datetime.utcfromtimestamp(_time).timestamp()
-    local_timestamp = datetime.fromtimestamp(_time, tz=pytz.timezone(timezone)).timestamp()
-    offset = (local_timestamp - utc_timestamp) / 3600
+    offset = pytz.timezone(timezone).utcoffset(
+        datetime.now()).total_seconds() / 3600
     return timezone, offset
 
 

tests/location_util_tests.py

@@ -88,6 +88,12 @@ def test_get_timezone_from_coords(self):
         self.assertIsInstance(offset, float)
         self.assertIn(offset, (-7.0, -8.0))
 
+        lat = 35.0000
+        lon = 103.000
+        timezone, offset = get_timezone(lat, lon)
+        self.assertEqual(timezone, "Asia/Shanghai")
+        self.assertEqual(offset, 8.0)
+
     def test_to_system_time(self):
         from neon_utils.location_utils import to_system_time
         tz_aware_dt = datetime.now(gettz("America/NewYork"))