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Moon phases in December 2025

All times are UTC. A phase is an instant, not a day — if you are west of Greenwich, the local date can be the one before.

Full MoonEarth sits between sun and moon; the whole visible face is lit.Thu, Dec 4, 23:14 UTC

Last QuarterHalf lit again, the mirror image of the first quarter.Thu, Dec 11, 20:52 UTC

New MoonThe moon is between us and the sun, lit on the side we cannot see.Sat, Dec 20, 01:43 UTC

First QuarterExactly half lit — the moon is a quarter of the way round its orbit.Sat, Dec 27, 19:10 UTC

Every day this month

186%

292%

397%

499%

5100%

698%

794%

888%

981%

1072%

1162%

1251%

1341%

1431%

1522%

1614%

177%

183%

190%

200%

212%

226%

2313%

2420%

2529%

2639%

2750%

2860%

2970%

3080%

3187%

A month is easy to read; a birth chart is not. If you want the version that accounts for where these moons fall in your own chart, that is what a personal reading is for. See a reading from your birth moon →

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