Time - Julian Day Number (JDN)

1 - About

Julian Day Number (JDN) is the number of days since noon in Greenwich (UTC) on November 24, the first day of 4714 B.C. according to the proleptic Gregorian calendar.

To more recently, in Terrestrial Time which differs from UTC by a few seconds.

3 - Documentation / Reference

data/type/time/julian.txt ยท Last modified: 2017/09/13 16:11 by gerardnico