=date(year(A1),Month(A1)+1,1)-A1
re-formatted as General

"Narnimar" wrote in message
...
I need a formula to return no of days to that month for a given date in the
cell. If I enter 15-Jan 2009 in cell A1 the formula should return the no
of
days remaining in that month in A2.
Appriiate anyone help me in this.