Julian day

English

Noun

Julian day (plural Julian days)

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.

Synonyms

• JD
• Julian date

Translations

date

• Finnish: juliaaninen päivä
• Irish: lá Iúlach m

Further reading

• Julian day on Wikipedia.Wikipedia