Moon calendar for December 2027

By Maren Tremblay, Fatesight editor · Last updated September 30, 2026

Every day of December 2027 with the Moon's phase and how much of it is lit at 12:00 UTC. The new Moon, the quarters and the full Moon are marked on the day they happen in UTC.

This month's full Moon is the Cold Moon, on December 13, with the Moon in Gemini. The new Moon falls on December 27, with the Moon in Capricorn.

New Moon, quarters and full Moon in December 2027

First quarterMonday, December 6, 2027 at 05:22 UTC
Full MoonMonday, December 13, 2027 at 16:09 UTC
Last quarterMonday, December 20, 2027 at 09:11 UTC
New MoonMonday, December 27, 2027 at 20:12 UTC

Times are in Coordinated Universal Time (UTC), to the minute, and agree with NASA's published table of Moon phases to within two minutes. Where your browser allows, your own clock is shown under each.

The Moon on each day of December 2027
Sun	Mon	Tue	Wed	Thu	Fri	Sat
			December 1: Waxing crescent, 11% lit	December 2: Waxing crescent, 18% lit	December 3: Waxing crescent, 26% lit	December 4: Waxing crescent, 34% lit
December 5: Waxing crescent, 43% lit	December 6: First quarter, 53% lit	December 7: Waxing gibbous, 62% lit	December 8: Waxing gibbous, 72% lit	December 9: Waxing gibbous, 80% lit	December 10: Waxing gibbous, 88% lit	December 11: Waxing gibbous, 94% lit
December 12: Waxing gibbous, 98% lit	December 13: Full Moon, 100% lit	December 14: Waning gibbous, 99% lit	December 15: Waning gibbous, 96% lit	December 16: Waning gibbous, 89% lit	December 17: Waning gibbous, 81% lit	December 18: Waning gibbous, 71% lit
December 19: Waning gibbous, 60% lit	December 20: Last quarter, 49% lit	December 21: Waning crescent, 38% lit	December 22: Waning crescent, 28% lit	December 23: Waning crescent, 19% lit	December 24: Waning crescent, 11% lit	December 25: Waning crescent, 6% lit
December 26: Waning crescent, 2% lit	December 27: New Moon, 0% lit	December 28: Waxing crescent, 0% lit	December 29: Waxing crescent, 3% lit	December 30: Waxing crescent, 6% lit	December 31: Waxing crescent, 12% lit

How is the Moon moving through December 2027?

At noon UTC the Moon is waxing, growing toward full, from December 1 to December 13 and December 27 to December 31 (18 days), and waning on the other 13. It is at least half lit on 14 days. Time between the principal phases: First quarter December 6, full Moon December 13: 7 days 11 hours; Full Moon December 13, last quarter December 20: 6 days 17 hours; Last quarter December 20, new Moon December 27: 7 days 11 hours.

Which sign is the Moon in during December 2027?

Each stay to the minute, in UTC.

Capricorn: from the start of December 2027 until December 2 at 12:27 UTC.
Aquarius: from December 2 at 12:27 UTC until December 5 at 01:21 UTC.
Pisces: from December 5 at 01:21 UTC until December 7 at 13:31 UTC.
Aries: from December 7 at 13:31 UTC until December 9 at 22:36 UTC.
Taurus: from December 9 at 22:36 UTC until December 12 at 03:55 UTC.
Gemini: from December 12 at 03:55 UTC until December 14 at 06:25 UTC.
Cancer: from December 14 at 06:25 UTC until December 16 at 07:42 UTC.
Leo: from December 16 at 07:42 UTC until December 18 at 09:17 UTC.
Virgo: from December 18 at 09:17 UTC until December 20 at 12:14 UTC.
Libra: from December 20 at 12:14 UTC until December 22 at 17:01 UTC.
Scorpio: from December 22 at 17:01 UTC until December 24 at 23:51 UTC.
Sagittarius: from December 24 at 23:51 UTC until December 27 at 08:51 UTC.
Capricorn: from December 27 at 08:51 UTC until December 29 at 20:05 UTC.
Aquarius: from December 29 at 20:05 UTC until the end of December 2027.

Questions about the Moon in December 2027

When is the full Moon in December 2027?

The full Moon is on December 13 at 16:09 UTC with the Moon in Gemini. It is the Cold Moon, a name from the Old Farmer's Almanac tradition.

When is the new Moon in December 2027?

The new Moon is on December 27 at 20:12 UTC with the Moon in Capricorn.

How much of the Moon is lit in December 2027?

At 12:00 UTC on December 1 the Moon is 11% lit (waxing crescent), on December 15 96% (waning gibbous) and on December 31 12% (waxing crescent). The dimmest day at noon UTC is December 27 at 0%, the brightest December 13 at 100%.

Does December 2027 have a Blue Moon or an eclipse?

No: the one full Moon is December 13, and nothing is eclipsed.