epoch

Reference point from which time is measured

EntityQ507810

Also known as calendar epoch · reference epoch · reference time

Subclass of: instant
, reference point

Overview

From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0

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.

Overview

All data

15 statements · 7% with external sources · numbers in brackets are citations

Different from: epoch
Epoch
calendar era
epoch
Used by: calendar era
Studied by: chronology

On other databases

7 identifiers linking epoch across the web's reference databases

Data quality

statements

externally sourced

Source last edited September 9, 2026. AIDB refreshes this page daily.

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AIDB. (2026). epoch (Q507810). Retrieved from https://aidb.si/e/epoch-Q507810