Ron
Both your and Bob's solutions are much neater than my long winded effort.

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Regards
Roger Govier
"Ron Coderre"
wrote in message
...

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


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Ron Coderre
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