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Definition 2024
Julian_day
Julian day
English
Noun
Julian day (plural Julian days)
- A date expressed as a real number of days counted with GMT noon on 1 January 4713 BC in proleptic Julian calendar (November 24, 4714 BC, in the proleptic Gregorian calendar) as zero; used primarily by astronomers and historians to compare events recorded in different cultures .
Synonyms
Translations
date
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Julian day on Wikipedia.Wikipedia