Way back when I was in the printing business ( I was Gutenberg’s apprentice ). We had a calendar with a few modifications….
First, it was numbered backwards. If you needed your job yesterday, no problem. Bring it in on the 15th, and we’ll have it done on the 14th.
The week had two Fridays, because everyone wanted it by Friday.
And every month had at least five weeks…
February 25, 2017
May 31, 2017
June 29, 2017