diff --git a/storyboard/api/auth/oauth_validator.py b/storyboard/api/auth/oauth_validator.py
index 14c34396..c02710e7 100644
--- a/storyboard/api/auth/oauth_validator.py
+++ b/storyboard/api/auth/oauth_validator.py
@@ -123,7 +123,7 @@ class SkeletonValidator(RequestValidator):
         email = request._params["openid.sreg.email"]
         full_name = request._params["openid.sreg.fullname"]
         username = request._params["openid.sreg.nickname"]
-        last_login = datetime.now()
+        last_login = datetime.utcnow()
 
         user = user_api.user_get_by_openid(openid)
         user_dict = {"full_name": full_name,
diff --git a/storyboard/api/auth/token_storage/db_storage.py b/storyboard/api/auth/token_storage/db_storage.py
index 6875427d..be498e1f 100644
--- a/storyboard/api/auth/token_storage/db_storage.py
+++ b/storyboard/api/auth/token_storage/db_storage.py
@@ -48,7 +48,7 @@ class DBTokenStorage(storage.StorageBase):
         access_token_values = {
             "access_token": access_token,
             "expires_in": expires_in,
-            "expires_at": datetime.datetime.now() + datetime.timedelta(
+            "expires_at": datetime.datetime.utcnow() + datetime.timedelta(
                 seconds=expires_in),
             "user_id": user_id
         }
@@ -61,7 +61,7 @@ class DBTokenStorage(storage.StorageBase):
             "refresh_token": refresh_token,
             "user_id": user_id,
             "expires_in": refresh_expires_in,
-            "expires_at": datetime.datetime.now() + datetime.timedelta(
+            "expires_at": datetime.datetime.utcnow() + datetime.timedelta(
                 seconds=refresh_expires_in),
         }
 
@@ -77,7 +77,7 @@ class DBTokenStorage(storage.StorageBase):
         if not token_info:
             return False
 
-        if datetime.datetime.now() > token_info.expires_at:
+        if datetime.datetime.utcnow() > token_info.expires_at:
             token_api.access_token_delete(access_token)
             return False
 
@@ -92,7 +92,7 @@ class DBTokenStorage(storage.StorageBase):
         if not refresh_token_entry:
             return False
 
-        if datetime.datetime.now() > refresh_token_entry.expires_at:
+        if datetime.datetime.utcnow() > refresh_token_entry.expires_at:
             auth_api.refresh_token_delete(refresh_token)
             return False
 
diff --git a/storyboard/api/auth/token_storage/memory_storage.py b/storyboard/api/auth/token_storage/memory_storage.py
index 48ffd247..e0fbdab3 100644
--- a/storyboard/api/auth/token_storage/memory_storage.py
+++ b/storyboard/api/auth/token_storage/memory_storage.py
@@ -24,7 +24,7 @@ class Token(object):
         self.access_token = access_token
         self.refresh_token = refresh_token
         self.expires_in = expires_in
-        self.expires_at = datetime.datetime.now() + \
+        self.expires_at = datetime.datetime.utcnow() + \
             datetime.timedelta(seconds=expires_in)
         self.user_id = user_id
         self.is_valid = is_valid
@@ -59,7 +59,7 @@ class MemoryTokenStorage(storage.StorageBase):
         if not token_entry:
             return False
 
-        now = datetime.datetime.now()
+        now = datetime.datetime.utcnow()
         if now > token_entry.expires_at:
             token_entry.is_valid = False
             return False
diff --git a/storyboard/db/api/access_tokens.py b/storyboard/db/api/access_tokens.py
index 1d6fc976..2a861a34 100644
--- a/storyboard/db/api/access_tokens.py
+++ b/storyboard/db/api/access_tokens.py
@@ -73,8 +73,8 @@ def access_token_get_count(**kwargs):
 
 def access_token_create(values):
     # Update the expires_at date.
-    values['created_at'] = datetime.datetime.now()
-    values['expires_at'] = datetime.datetime.now() + datetime.timedelta(
+    values['created_at'] = datetime.datetime.utcnow()
+    values['expires_at'] = datetime.datetime.utcnow() + datetime.timedelta(
         seconds=values['expires_in'])
 
     return api_base.entity_create(models.AccessToken, values)
diff --git a/storyboard/tests/db/test_db_api.py b/storyboard/tests/db/test_db_api.py
index d3d8f527..32cf6beb 100644
--- a/storyboard/tests/db/test_db_api.py
+++ b/storyboard/tests/db/test_db_api.py
@@ -179,7 +179,7 @@ class TokenTest(BaseDbTestCase):
             "access_token": u'an_access_token',
             "refresh_token": u'a_refresh_token',
             "expires_in": 3600,
-            "expires_at": datetime.now(),
+            "expires_at": datetime.utcnow(),
             "user_id": 1
         }
 
diff --git a/storyboard/tests/mock_data.py b/storyboard/tests/mock_data.py
index 343cf3c5..114dc85e 100644
--- a/storyboard/tests/mock_data.py
+++ b/storyboard/tests/mock_data.py
@@ -28,7 +28,7 @@ def load():
     """Load a batch of useful data into the database that our tests can work
     with.
     """
-    now = datetime.datetime.now()
+    now = datetime.datetime.utcnow()
     expires_at = now + datetime.timedelta(seconds=3600)
     expired_at = now + datetime.timedelta(seconds=-3600)