Epoch
Open-Source Lunar Timekeeping
LUNAR
UTC
LOCAL
TAI
GPS
UNIX
Lunar Coordinate Time
Lunar drift since midnight UTC
+0.000 µs
Lunar drift since J2000.0
+0.000 ms
Time.gov ↗
Ashby & Patla (2024) —
arXiv:2402.11150
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Space Time Card: a near-term bridge and long-term resilience layer for lunar time & coordination
Linden, Kosak 2026
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github.com/epoch-lunar