Suggested a whatsnew item
diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst
index 2e8d341..90ce5a6 100644
--- a/Doc/whatsnew/3.3.rst
+++ b/Doc/whatsnew/3.3.rst
@@ -1088,7 +1088,9 @@
corresponding to the :class:`~datetime.datetime` instance.
* The :meth:`datetime.datetime.strftime` method supports formatting years
older than 1000.
-
+ * XXX The :meth:`datetime.datetime.astimezone` method can now be
+ called without arguments to convert datetime instance to the system
+ timezone.
decimal
-------