diff --git a/tests/test_on_data/test_format_converters/test_lightningpose_converter.py b/tests/test_on_data/test_format_converters/test_lightningpose_converter.py
index 9a6629555..4d0f8ab89 100644
--- a/tests/test_on_data/test_format_converters/test_lightningpose_converter.py
+++ b/tests/test_on_data/test_format_converters/test_lightningpose_converter.py
@@ -137,7 +137,7 @@ def assertNWBFileStructure(self, nwbfile_path: str, stub_test: bool = False):
         with NWBHDF5IO(path=nwbfile_path) as io:
             nwbfile = io.read()
 
-            self.assertEqual(nwbfile.session_start_time, datetime(2023, 11, 9, 10, 14, 37))
+            self.assertEqual(nwbfile.session_start_time, datetime(2023, 11, 9, 10, 14, 37).astimezone())
 
             # Check original video added to acquisition
             self.assertIn(self.original_video_name, nwbfile.acquisition)
diff --git a/tests/test_on_data/test_format_converters/test_miniscope_converter.py b/tests/test_on_data/test_format_converters/test_miniscope_converter.py
index 001d9a1bf..813008455 100644
--- a/tests/test_on_data/test_format_converters/test_miniscope_converter.py
+++ b/tests/test_on_data/test_format_converters/test_miniscope_converter.py
@@ -170,7 +170,7 @@ def assertNWBFileStructure(self, nwbfile_path: str):
 
             self.assertEqual(
                 nwbfile.session_start_time,
-                datetime(2021, 10, 7, 15, 3, 28, 635),
+                datetime(2021, 10, 7, 15, 3, 28, 635).astimezone(),
             )
 
             self.assertIn(self.device_name, nwbfile.devices)
diff --git a/tests/test_on_data/test_format_converters/test_spikeglx_converter.py b/tests/test_on_data/test_format_converters/test_spikeglx_converter.py
index e713551d4..9185f3981 100644
--- a/tests/test_on_data/test_format_converters/test_spikeglx_converter.py
+++ b/tests/test_on_data/test_format_converters/test_spikeglx_converter.py
@@ -33,7 +33,7 @@ def assertNWBFileStructure(self, nwbfile_path: FilePath):
         with NWBHDF5IO(path=nwbfile_path) as io:
             nwbfile = io.read()
 
-            expected_session_start_time = datetime(2020, 11, 3, 10, 35, 10)
+            expected_session_start_time = datetime(2020, 11, 3, 10, 35, 10).astimezone()
             assert nwbfile.session_start_time == expected_session_start_time
 
             assert "ElectricalSeriesAP" in nwbfile.acquisition