Do you know how many days have the Months of the Year?

Do you know how many days have the Months of the Year? All months have 30 or 31 days, except for February, which has 28 days (29 in a leap year). Every fourth year, the month of February has 29 days instead of 28. This year is called a "leap year" and the 29th day of February is a "leap day".