diff --git a/tests/domain/test_therapy_event.py b/tests/domain/test_therapy_event.py
index 5f32274..46ae8fd 100644
--- a/tests/domain/test_therapy_event.py
+++ b/tests/domain/test_therapy_event.py
@@ -3,6 +3,7 @@
 from tconnectsync.domain.bolus import Bolus
 
 from tconnectsync.domain.therapy_event import BolusTherapyEvent, CGMTherapyEvent
+from ..util.utilities import replace_with_user_tz
 
 class TestCGMTherapyEvent(unittest.TestCase):
     maxDiff = None
@@ -103,8 +104,8 @@ def test_standard_to_bolus(self):
             description="Standard",
             complete="1",
             completion="Completed",
-            request_time="2022-07-21 12:27:36-04:00",
-            completion_time="2022-07-21 12:29:21-04:00",
+            request_time=replace_with_user_tz("2022-07-21 12:27:36-04:00"),
+            completion_time=replace_with_user_tz("2022-07-21 12:29:21-04:00"),
             insulin="4.17",
             requested_insulin="4.17",
             carbs="25",
@@ -176,8 +177,8 @@ def test_correction_to_bolus(self):
             description="Automatic Bolus/Correction",
             complete="1",
             completion="Completed",
-            request_time="2022-07-21 11:53:08-04:00",
-            completion_time="2022-07-21 11:55:24-04:00",
+            request_time=replace_with_user_tz("2022-07-21 11:53:08-04:00"),
+            completion_time=replace_with_user_tz("2022-07-21 11:55:24-04:00"),
             insulin="2.9",
             requested_insulin="2.9",
             carbs="0",
@@ -259,8 +260,8 @@ def test_extended_bolus_incomplete_to_bolus(self):
             description="Extended 50.00%/0.00",
             complete="0",
             completion="",
-            request_time="2022-08-09 23:19:15-04:00",
-            completion_time="2022-08-09 23:20:04-04:00",
+            request_time=replace_with_user_tz("2022-08-09 23:19:15-04:00"),
+            completion_time=replace_with_user_tz("2022-08-09 23:20:04-04:00"),
             insulin="0.2",
             requested_insulin="0.2",
             carbs="0",
@@ -268,7 +269,7 @@ def test_extended_bolus_incomplete_to_bolus(self):
             user_override="1",
             extended_bolus="1",
             bolex_completion_time="",
-            bolex_start_time="2022-08-09 23:20:04-04:00"
+            bolex_start_time=replace_with_user_tz("2022-08-09 23:20:04-04:00")
         )))
     
     extendedBolusJson = {
@@ -347,16 +348,16 @@ def test_extended_bolus_complete_to_bolus(self):
             description="Extended 50.00%/0.00",
             complete="1",
             completion="Completed",
-            request_time="2022-08-09 23:19:15-04:00",
-            completion_time="2022-08-09 23:20:04-04:00",
+            request_time=replace_with_user_tz("2022-08-09 23:19:15-04:00"),
+            completion_time=replace_with_user_tz("2022-08-09 23:20:04-04:00"),
             insulin="0.2",
             requested_insulin="0.2",
             carbs="0",
             bg="131",
             user_override="1",
             extended_bolus="1",
-            bolex_completion_time="2022-08-09 23:35:03-04:00",
-            bolex_start_time="2022-08-09 23:20:04-04:00"
+            bolex_completion_time=replace_with_user_tz("2022-08-09 23:35:03-04:00"),
+            bolex_start_time=replace_with_user_tz("2022-08-09 23:20:04-04:00")
         )))
 
 
@@ -364,4 +365,4 @@ def test_extended_bolus_complete_to_bolus(self):
     TestBolusTherapyEvent.standardJson,
     TestBolusTherapyEvent.correctionJson,
     TestBolusTherapyEvent.extendedBolusJson
-]
\ No newline at end of file
+]
diff --git a/tests/util/__init__.py b/tests/util/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/util/utilities.py b/tests/util/utilities.py
new file mode 100644
index 0000000..9e8938a
--- /dev/null
+++ b/tests/util/utilities.py
@@ -0,0 +1,10 @@
+import arrow
+from tconnectsync.secret import TIMEZONE_NAME
+
+"""
+Replaces timezone in string with provided timezone string, defaults to 'America/New_York'
+  Example 1: replace_datetime_tz("2021-04-01 23:15:30-04:00")
+  Example 2: replace_datetime_tz("2021-04-01 23:15:30-04:00", 'America/Chicago')
+"""
+def replace_with_user_tz(date, tz=TIMEZONE_NAME):
+   return arrow.get(date, tzinfo=tz).format()