lunartime.org

Epoch

An epoch is the instant that fixes where a time scale starts counting. Lunar Coordinate Time reads 1977 January 1, 0h 0m 32.184s exactly when Barycentric Coordinate Time reads the same at the centre of the Moon; that starting point is arbitrary.

Other terms worth reading next.

All thirty entries are in the glossary of lunar timekeeping.

Where it appears

Primary documents that use the term.

  • IAU 2024 Resolution II: LCRS and TCL [1]Official

Sources

  1. Resolution to establish a standard Lunar Celestial Reference System (LCRS) and Lunar Coordinate Time (TCL) — International Astronomical Union, Commission A3 — XXXII General Assembly, . Official document. Verified .

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