Julian day

短语

词形变化

Julian days 复数 Julian days

别名

JD

释义与例句

n.
  1. 1.

    A date expressed as a real number of days counted with GMT noon on 1 January 4713 BCE in proleptic Julian calendar (November 24, 4714 BCE, in the proleptic Gregorian calendar) as zero; used primarily by astronomers and historians to compare events recorded in different cultures.