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Julian year

A Julian year is the length of an average year in the Julian calendar, 365.25 days.

Astronomers still use the Julian year as a fundamental unit for ephemeris work, since it provides a quick and simple conversion to Julian dates.

Note a Julian year is not the same as a Gregorian calendar year, a tropical year or a sidereal year.

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09-23-2007 01:00:40
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