How Many Days are in Each Month?

It depends on each month, as to how many days there are in a month. January, March, May, July, August, October, and December all have 31 days in a month. April, June, September, and November each have 30 days in a month. February has 28 days, except for once every four years, it will have 29 days. This occurs when there is a leap year.