1 files changed, 1 insertions, 5 deletions
diff --git a/django/utils/timezone.py b/django/utils/timezone.py
index cf22ec34d0..bb2b6b9594 100644
--- a/django/utils/timezone.py
+++ b/django/utils/timezone.py
@@ -194,11 +194,7 @@ def now():
     """
     Return an aware or naive datetime.datetime, depending on settings.USE_TZ.
     """
-    if settings.USE_TZ:
-        # timeit shows that datetime.now(tz=utc) is 24% slower
-        return datetime.utcnow().replace(tzinfo=utc)
-    else:
-        return datetime.now()
+    return datetime.now(tz=utc if settings.USE_TZ else None)
 
 
 # By design, these four functions don't perform any checks on their arguments.