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Sign in to saveAlso known as calendar epoch, reference epoch, reference time
In chronology and periodization, an epoch or reference epoch is an instant in time chosen as the origin of a particular calendar era. The "epoch" serves as a reference point from which time is measured.
Wikidata facts
- Said to be same as
- epoch
Show 4 more facts
- different from
- calendar era
- used by
- calendar era
- studied by
- chronology
- described by source
- Encyclopædia Britannica 11th edition
Sources (1)
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