--- a/example.py
+++ b/example.py
@@ -9,7 +9,7 @@
     description = "The latest news about PyRSS2Gen, a "
                   "Python library for generating RSS2 feeds",
 
-    lastBuildDate = datetime.datetime.now(),
+    lastBuildDate = datetime.datetime.utcnow(),
 
     items = [
        PyRSS2Gen.RSSItem(
