On Sun, 8 Mar 2009 15:19:27 -0400, "T. Valko" wrote:

A few keystrokes shorter:

=DATE(YEAR(A1),INT((MONTH(A1)+2)/3)*3-2,1)+CHOOSE(WEEKDAY(DATE(YEAR(A1),INT((MONTH(A1)+2 )/3)*3-2,1)),6,5,4,3,2,1,0)


And even shorter:

=DATE(YEAR(A1),INT((MONTH(A1)-1)/3)*3+1,0)-WEEKDAY(DATE(YEAR(A1),INT((MONTH(A1)-1)/3)*3+1,0))+7

--ron