Try this:
=DAY(EOMONTH(B1,0))


Note: If the EOMONTH() function is not available, and returns the
#NAME? error,
ToolsAdd-ins...Select Analysis ToolPak...Then click [OK]

Does that help?

Ron


--
Ron Coderre
------------------------------------------------------------------------
Ron Coderre's Profile: http://www.excelforum.com/member.php...o&userid=21419
View this thread: http://www.excelforum.com/showthread...hreadid=391281