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| MOON UNIT | MADE OF | IN STANDARD TIME |
|---|---|---|
| Moon second | base unit | 1.0403730 s |
| Moon minute | 60 Moon seconds | 62.4224 s |
| Moon hour | 60 Moon minutes | 1 h 02 m 25.3 s |
| Moon day | 24 Moon hours | 24 h 58 m 08.2 s |
| Moon | 28.3846154 Moon days | 29.530589 days (one lunation) |
| Moon year | 13 moons, 369 Moon days | 383.8977 days |
One clock for the whole planet: no time zones, no daylight saving. Year 0 began at the first new moon of 0 AD, 23 January 0000, 02:44 UTC, and the count runs unbroken from there. Each moon has 28 or 29 whole days (five moons get 29), and a day belongs to the moon it starts in. Moon boundaries track the average lunation, so a real new moon can land up to about half a Moon day either side, and that offset never accumulates. Equinoxes and solstices follow Meeus, Astronomical Algorithms ch. 27, accurate to about a minute.