Phrase guide
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noun
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.
Definition source: English Wiktionary via Wiktextract
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Synonyms: none provided
Antonyms: none provided
History
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Across languages
2 source translations are retained for this English entry.
