Julian year
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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.
See also
External link
- What is a "Year" (on Earth or Mars)? (http://pweb.jps.net/~tgangale/mars/other/allison2.htm)Template:Astro-stub