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abstraction > mathematical concept > unit > time unit > year > Julian year
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Julian year
subjectfact 
Julian yearhas value 365.25 dayshas source: Seidelman, P. 1992 Explanatory Supplement to the Astronomical Almanac, University Science Books, Mill Valley, CA, 2001-09-27 09:32:52.0
has definition A period served as the basis for the Julian calendar.has source: Seidelman, P. 1992 Explanatory Supplement to the Astronomical Almanac, University Science Books, Mill Valley, CA, 2001-09-27 09:32:52.0
is an instance of year2001-09-27 09:32:52.0
time unitis a unit of time2001-09-27 09:32:52.0
unithas historical origin2001-09-27 09:32:42.0
represents2001-09-27 09:32:42.0