Leap Year Calculator

Using the leap year calculator

  • Start year - a valid beginning year, e.g. 1933.
  • End year - a valid ending year, e.g. 1985. End year should be after start year.

About leap year

The length of a year is about 365.24 days, not exactly equals to 365 days. The 0.24 day is accumulated as an additional day to be added to calendar every a few year(usually 4 years, but not always). The year has 366 days is known as leap year. This calculator helps you to find leap years between any two years.