Please try this will return FALSE if valid date..
=ISERROR(DATE(YEAR(A1),MONTH(A1),DAY(A1)))

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Jacob Skaria


"Ayo" wrote:

Is there a function like the ISBLANK function for dates. I am trying to write
and IF statement formular that works like this:
If the value in A1 is a Date then perform calculation else leave blank.

What is the best way to do this.

Thanks