A leap year has 366 days. This is so that the astronomical year and calendar year are kept in sync.
To keep them in sync, one day is added to February every four years, and removed in a non-leap year.
A leap year has 366 days. This is so that the astronomical year and calendar year are kept in sync.
To keep them in sync, one day is added to February every four years, and removed in a non-leap year.