Leap year list: A leap year (also known as an

A leap year (also known as an intercalary year or bissextile year ) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) compared to a common year . The 366th day (or 13th month) is added to keep the calendar year synchronised with the astronomical year or seasonal year . [1] Since astronomical events and seasons do not repeat in a whole number of days, calendars having a constant number of days each year will unavoidably drift over time with ... Find out if a given year is a leap year or not, or list all leap years in a given time period using this leap year calculator. List of leap years between two years. What is a leap year and when is the next one? + List of leap years (PDFs). And why do we have February 29 on our calendars every 4 years ? The leap year list from 1900 to 3000 is provided below. A leap year , also known as an intercalary year , is a calendar year that includes an extra day to keep it in sync with the astronomical year or seasonal year . Since astronomical events and seasons do not align perfectly with whole numbers of days, calendars that have a fixed number of days will gradually drift over time with respect to the events that they are intended to track, such as the changing seasons.