I would assume the alignment of the months to the days of the week. Assuming they make more at the weekend, if May had a one more weekend then April (I think th

I would assume the alignment of the months to the days of the week. Assuming they make more at the weekend, if May had a one more weekend then April (I think that’s possible) then it would have greater revenue. The Kodak calendar fixes that as all months have four weekends.