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What is the purpose of leap year?

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Nearly every four years, we add an extra day to the calendar in the form of February 29, also known as Leap Day. Put simply, these additional 24 hours are built into the calendar to ensure that it stays in line with the Earth's movement around the Sun. read more

A leap year (also known as an intercalary year or bissextile year) is a calendar year containing one additional day (or, in the case of lunisolar calendars, a month) added to keep the calendar year synchronized with the astronomical or seasonal year. read more

For every four years there is one extra day unless the year is divisible by a hundred, in which it wouldn’t be a leap year. But, if the number is also divisible by four hundred, then it is a leap year. read more

In the fourth year, there are 366 days. This is a leap year. Every leap year an extra day is added to the month of February. Normally, February has 28 days in it, but in a leap year it has 29 days. The purpose of this is to make up the difference between the calendar year and the solar year. read more

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