Or just:

=DATE(YEAR(A1),MONTH(A1)+1,0)



Gary''s Student wrote:

If the date is in A1, then enter:

=DATE(YEAR(A1),MONTH(A1)+1,1)-1 in a cell to get the last day of that month
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Gary''s Student

"comotoman" wrote:


i know how to find the first day of a month but how can i find the last
day of a month?

October 2005 First day is Sat 1st. I also need the formula to find Mon
31st.

Thanks


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comotoman
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Dave Peterson