Astronomy
Leap Year

What is a year?

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June 13, 2016 1:03AM

A solar year is the time that it takes the earth to complete one cycle around the sun. The year is the time taken by earth to complete a cycle around the sun which takes about 365.25 days.

So, a calendar year is 365 days and 1 quarter. Every Leap Year (once in 4 years) there is an extra day in February.

A year technically is the time taken for a planet to make one orbit of the sun. At that rate, an Earth year is shorter than a Mars year, which is 687 days at a 24 hour day. This will be longer than a year on Mercury, which takes 88 Earth days to orbit the sun.