diff -r 0e56d79fa2ab Doc/library/datetime.rst
--- a/Doc/library/datetime.rst	Tue May 24 18:29:46 2011 +0200
+++ b/Doc/library/datetime.rst	Fri Jun 03 16:59:55 2011 -0500
@@ -1763,6 +1763,29 @@
 | ``%%``    | A literal ``'%'`` character.   |       |
 +-----------+--------------------------------+-------+
 
+Several additional directives not required by the C89 standard are included for
+convenience. These parameters all correspond to ISO 8601 date values. These
+may may not be available on all platforms when used with the :meth:`strftime`
+method.
+
++-----------+--------------------------------+-------+
+| Directive | Meaning                        | Notes |
++===========+================================+=======+
+| ``%G``    | ISO 8601 year. Decimal number  | \(7)  |
+|           | [0000,9999] representin the    |       |
+|           | year that contains the greater |       |
+|           | part of the ISO week (%V).     |       |
++-----------+--------------------------------+-------+
+| ``%u``    | ISO 8601 week day as a decimal |       |
+|           | number [1(Monday),7].          |       |
++-----------+--------------------------------+-------+
+| ``%V``    | ISO 8601 week as a decimal     | \(7)  |
+|           | number [01,53] with Monday as  |       |
+|           | the first day of the week.     |       |
+|           | Week 01 is the week containing |       |
+|           | Jan 4.                         |       |
++-----------+--------------------------------+-------+
+
 Notes:
 
 (1)
@@ -1782,7 +1805,8 @@
 
 (4)
    When used with the :meth:`strptime` method, ``%U`` and ``%W`` are only used in
-   calculations when the day of the week and the year are specified.
+   calculations when the day of the week and the calendar year (``%Y``)  are
+   specified.
 
 (5)
    The :meth:`strptime` method can
@@ -1801,6 +1825,12 @@
    For example, if :meth:`utcoffset` returns ``timedelta(hours=-3, minutes=-30)``,
    ``%z`` is replaced with the string ``'-0330'``.
 
+(7)
+   Similar to ``%U`` and ``%W``, ``%V`` is only used in calculations when the
+   day of the week and the ISO year (``%G``) are specified when used with the
+   :meth:`strptime` method. Also note that ``%G`` and ``%Y`` are not
+   interchangable.
+
 .. versionchanged:: 3.2
    When the ``%z`` directive is provided to the :meth:`strptime` method, an
    aware :class:`datetime` object will be produced.  The ``tzinfo`` of the