Hi!

=WEEKDAY(DATE(A1+ROW()-1,4,1),2)=6

This leads to incorrect results. ROW()-1 causes the
problem.

=WEEKDAY(DATE(A1,4,1),2)=6

Works just fine.

Biff

-----Original Message-----
Write in cells A1:A21 the year numbers 1970 till 1990.
In B1 write:
=WEEKDAY(DATE(A1+ROW()-1,4,1),2)=6

and copy down.

HTH,
Bernd


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