Day F S S M T W TH F S S M T W TH F
Date 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7
john V V V V V V V V V V V V V
michle 8 0 0 0 0 4 8 0 0 0 0 0
tom 8 0 0 0 0 0 4 8 0 0 0 0 0
suresh 0 0 0 0 0 0 0 0 0 0 0 0 0
anthony 0 2 2 2 2 0
Please advise me how to make colour all fridays collum by using conditional formatting.