diff --git a/sdk/storage/azure-storage-file-share/azure/storage/fileshare/_parser.py b/sdk/storage/azure-storage-file-share/azure/storage/fileshare/_parser.py
index 6b3142cadd82..a610527dd41b 100644
--- a/sdk/storage/azure-storage-file-share/azure/storage/fileshare/_parser.py
+++ b/sdk/storage/azure-storage-file-share/azure/storage/fileshare/_parser.py
@@ -4,7 +4,7 @@
 # license information.
 # --------------------------------------------------------------------------
 
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 from typing import Any, cast, Dict, Optional, Union
 
 from ._generated._utils.serialization import Serializer
@@ -38,6 +38,8 @@ def _parse_datetime_from_str(string_datetime):
     dt = datetime.strptime(dt, "%Y-%m-%dT%H:%M:%S")
     us = int(us[:-2])  # microseconds
     datetime_obj = dt + timedelta(microseconds=us)
+    if not datetime_obj.tzinfo:
+        datetime_obj = datetime_obj.replace(tzinfo=timezone.utc)
     return datetime_obj
 
 
diff --git a/sdk/storage/azure-storage-file-share/tests/test_directory.py b/sdk/storage/azure-storage-file-share/tests/test_directory.py
index 1b879d78bc1a..dd0f5e4afcec 100644
--- a/sdk/storage/azure-storage-file-share/tests/test_directory.py
+++ b/sdk/storage/azure-storage-file-share/tests/test_directory.py
@@ -4,7 +4,7 @@
 # license information.
 # --------------------------------------------------------------------------
 import unittest
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 
 import pytest
 from azure.core.exceptions import ClientAuthenticationError, ResourceExistsError, ResourceNotFoundError
@@ -110,7 +110,7 @@ def test_create_directory_set_smb_properties(self, **kwargs):
 
         directory_client = share_client.get_directory_client('dir1')
         file_attributes = NTFSAttributes(read_only=True, directory=True)
-        file_creation_time = file_last_write_time = file_change_time = datetime(2022, 3, 10, 10, 14, 30, 500000)
+        file_creation_time = file_last_write_time = file_change_time = datetime(2022, 3, 10, 10, 14, 30, 500000, tzinfo=timezone.utc)
 
         # Act
         directory_client.create_directory(
@@ -1262,9 +1262,9 @@ def test_rename_directory_smb_properties(self, **kwargs):
         source_directory = share_client.create_directory('dir1')
 
         file_attributes = NTFSAttributes(read_only=True, directory=True)
-        file_creation_time = datetime(2022, 1, 26, 10, 9, 30, 500000)
-        file_last_write_time = datetime(2022, 1, 26, 10, 14, 30, 500000)
-        file_change_time = datetime(2022, 3, 7, 10, 14, 30, 500000)
+        file_creation_time = datetime(2022, 1, 26, 10, 9, 30, 500000, tzinfo=timezone.utc)
+        file_last_write_time = datetime(2022, 1, 26, 10, 14, 30, 500000, tzinfo=timezone.utc)
+        file_change_time = datetime(2022, 3, 7, 10, 14, 30, 500000, tzinfo=timezone.utc)
 
         # Act
         new_directory = source_directory.rename_directory(
diff --git a/sdk/storage/azure-storage-file-share/tests/test_directory_async.py b/sdk/storage/azure-storage-file-share/tests/test_directory_async.py
index 9e87810938e0..d1010ced0b09 100644
--- a/sdk/storage/azure-storage-file-share/tests/test_directory_async.py
+++ b/sdk/storage/azure-storage-file-share/tests/test_directory_async.py
@@ -7,7 +7,7 @@
 # --------------------------------------------------------------------------
 import unittest
 import asyncio
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 
 import pytest
 from azure.core.exceptions import ClientAuthenticationError, ResourceExistsError, ResourceNotFoundError
@@ -115,7 +115,7 @@ async def test_create_directory_set_smb_properties(self, **kwargs):
 
         directory_client = share_client.get_directory_client('dir1')
         file_attributes = NTFSAttributes(read_only=True, directory=True)
-        file_creation_time = file_last_write_time = file_change_time = datetime(2022, 3, 10, 10, 14, 30, 500000)
+        file_creation_time = file_last_write_time = file_change_time = datetime(2022, 3, 10, 10, 14, 30, 500000, tzinfo=timezone.utc)
 
         # Act
         await directory_client.create_directory(
@@ -1362,9 +1362,9 @@ async def test_rename_directory_smb_properties(self, **kwargs):
         source_directory = await share_client.create_directory('dir1')
 
         file_attributes = NTFSAttributes(read_only=True, directory=True)
-        file_creation_time = datetime(2022, 1, 26, 10, 9, 30, 500000)
-        file_last_write_time = datetime(2022, 1, 26, 10, 14, 30, 500000)
-        file_change_time = datetime(2022, 3, 7, 10, 14, 30, 500000)
+        file_creation_time = datetime(2022, 1, 26, 10, 9, 30, 500000, tzinfo=timezone.utc)
+        file_last_write_time = datetime(2022, 1, 26, 10, 14, 30, 500000, tzinfo=timezone.utc)
+        file_change_time = datetime(2022, 3, 7, 10, 14, 30, 500000, tzinfo=timezone.utc)
 
         # Act
         new_directory = await source_directory.rename_directory(
diff --git a/sdk/storage/azure-storage-file-share/tests/test_file.py b/sdk/storage/azure-storage-file-share/tests/test_file.py
index 819b6293c14d..627bcd85ed57 100644
--- a/sdk/storage/azure-storage-file-share/tests/test_file.py
+++ b/sdk/storage/azure-storage-file-share/tests/test_file.py
@@ -642,7 +642,7 @@ def test_create_file_set_smb_properties(self, **kwargs):
         file_client = self._get_file_client()
 
         file_attributes = NTFSAttributes(read_only=True, archive=True)
-        file_creation_time = file_last_write_time = file_change_time = datetime(2022, 3, 10, 10, 14, 30, 500000)
+        file_creation_time = file_last_write_time = file_change_time = datetime(2022, 3, 10, 10, 14, 30, 500000, tzinfo=timezone.utc)
 
         # Act
         file_client.create_file(
@@ -3598,9 +3598,9 @@ def test_rename_file_smb_properties(self, **kwargs):
         source_file = self._create_file('file1')
 
         file_attributes = NTFSAttributes(read_only=True, archive=True)
-        file_creation_time = datetime(2022, 1, 26, 10, 9, 30, 500000)
-        file_last_write_time = datetime(2022, 1, 26, 10, 14, 30, 500000)
-        file_change_time = datetime(2022, 3, 7, 10, 14, 30, 500000)
+        file_creation_time = datetime(2022, 1, 26, 10, 9, 30, 500000, tzinfo=timezone.utc)
+        file_last_write_time = datetime(2022, 1, 26, 10, 14, 30, 500000, tzinfo=timezone.utc)
+        file_change_time = datetime(2022, 3, 7, 10, 14, 30, 500000, tzinfo=timezone.utc)
 
         # Act
         new_file = source_file.rename_file(
diff --git a/sdk/storage/azure-storage-file-share/tests/test_file_async.py b/sdk/storage/azure-storage-file-share/tests/test_file_async.py
index f3cc42f5da46..0320c76b3b1c 100644
--- a/sdk/storage/azure-storage-file-share/tests/test_file_async.py
+++ b/sdk/storage/azure-storage-file-share/tests/test_file_async.py
@@ -657,7 +657,7 @@ async def test_create_file_set_smb_properties(self, **kwargs):
         file_client = await self._get_file_client(storage_account_name, storage_account_key)
 
         file_attributes = NTFSAttributes(read_only=True, archive=True)
-        file_creation_time = file_last_write_time = file_change_time = datetime(2022, 3, 10, 10, 14, 30, 500000)
+        file_creation_time = file_last_write_time = file_change_time = datetime(2022, 3, 10, 10, 14, 30, 500000, tzinfo=timezone.utc)
 
         # Act
         await file_client.create_file(
@@ -3711,9 +3711,9 @@ async def test_rename_file_smb_properties(self, **kwargs):
         source_file = await self._create_file(storage_account_name, storage_account_key, 'file1')
 
         file_attributes = NTFSAttributes(read_only=True, archive=True)
-        file_creation_time = datetime(2022, 1, 26, 10, 9, 30, 500000)
-        file_last_write_time = datetime(2022, 1, 26, 10, 14, 30, 500000)
-        file_change_time = datetime(2022, 3, 7, 10, 14, 30, 500000)
+        file_creation_time = datetime(2022, 1, 26, 10, 9, 30, 500000, tzinfo=timezone.utc)
+        file_last_write_time = datetime(2022, 1, 26, 10, 14, 30, 500000, tzinfo=timezone.utc)
+        file_change_time = datetime(2022, 3, 7, 10, 14, 30, 500000, tzinfo=timezone.utc)
 
         # Act
         new_file = await source_file.rename_file(