# HG changeset patch
# User cmlenz
# Date 1270554534 0
# Node ID 33d70d3dd09a064639bf1f4c85a4c5bf6dfc6639
# Parent  08840dc07d954ec6c50730be639e7560f67fa9ab
Backport r500 to 0.9.x stable branch.

diff --git a/babel/dates.py b/babel/dates.py
--- a/babel/dates.py
+++ b/babel/dates.py
@@ -207,7 +207,7 @@
         datetime = datetime.replace(tzinfo=UTC)
     locale = Locale.parse(locale)
 
-    offset = datetime.utcoffset()
+    offset = datetime.tzinfo.utcoffset(datetime)
     seconds = offset.days * 24 * 60 * 60 + offset.seconds
     hours, seconds = divmod(seconds, 3600)
     if width == 'short':