Moon calendar for December 2026

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

Every day of December 2026 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.

The new Moon falls on December 9, with the Moon in Sagittarius. This month's full Moon is the Cold Moon, on December 24, with the Moon in Cancer.

New Moon, quarters and full Moon in December 2026

Last quarterTuesday, December 1, 2026 at 06:09 UTC
New MoonWednesday, December 9, 2026 at 00:52 UTC
First quarterThursday, December 17, 2026 at 05:43 UTC
Full MoonThursday, December 24, 2026 at 01:28 UTC
Last quarterWednesday, December 30, 2026 at 18:59 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 2026
Sun	Mon	Tue	Wed	Thu	Fri	Sat
		December 1: Last quarter, 47% lit	December 2: Waning crescent, 37% lit	December 3: Waning crescent, 27% lit	December 4: Waning crescent, 19% lit	December 5: Waning crescent, 11% lit
December 6: Waning crescent, 6% lit	December 7: Waning crescent, 2% lit	December 8: Waning crescent, 0% lit	December 9: New Moon, 0% lit	December 10: Waxing crescent, 2% lit	December 11: Waxing crescent, 5% lit	December 12: Waxing crescent, 10% lit
December 13: Waxing crescent, 17% lit	December 14: Waxing crescent, 24% lit	December 15: Waxing crescent, 33% lit	December 16: Waxing crescent, 43% lit	December 17: First quarter, 53% lit	December 18: Waxing gibbous, 63% lit	December 19: Waxing gibbous, 73% lit
December 20: Waxing gibbous, 83% lit	December 21: Waxing gibbous, 90% lit	December 22: Waxing gibbous, 96% lit	December 23: Waxing gibbous, 99% lit	December 24: Full Moon, 100% lit	December 25: Waning gibbous, 97% lit	December 26: Waning gibbous, 91% lit
December 27: Waning gibbous, 84% lit	December 28: Waning gibbous, 74% lit	December 29: Waning gibbous, 64% lit	December 30: Last quarter, 53% lit	December 31: Waning crescent, 43% lit

How is the Moon moving through December 2026?

At noon UTC the Moon is waxing, growing toward full, from December 9 to December 23 (15 days), and waning on the other 16. It is at least half lit on 14 days. Time between the principal phases: Last quarter December 1, new Moon December 9: 7 days 19 hours; New Moon December 9, first quarter December 17: 8 days 5 hours; First quarter December 17, full Moon December 24: 6 days 20 hours; Full Moon December 24, last quarter December 30: 6 days 18 hours.

Which sign is the Moon in during December 2026?

Each stay to the minute, in UTC.

Virgo: from the start of December 2026 until December 2 at 20:04 UTC.
Libra: from December 2 at 20:04 UTC until December 5 at 04:36 UTC.
Scorpio: from December 5 at 04:36 UTC until December 7 at 15:07 UTC.
Sagittarius: from December 7 at 15:07 UTC until December 10 at 03:09 UTC.
Capricorn: from December 10 at 03:09 UTC until December 12 at 16:06 UTC.
Aquarius: from December 12 at 16:06 UTC until December 15 at 04:36 UTC.
Pisces: from December 15 at 04:36 UTC until December 17 at 14:35 UTC.
Aries: from December 17 at 14:35 UTC until December 19 at 20:30 UTC.
Taurus: from December 19 at 20:30 UTC until December 21 at 22:28 UTC.
Gemini: from December 21 at 22:28 UTC until December 23 at 21:59 UTC.
Cancer: from December 23 at 21:59 UTC until December 25 at 21:13 UTC.
Leo: from December 25 at 21:13 UTC until December 27 at 22:13 UTC.
Virgo: from December 27 at 22:13 UTC until December 30 at 02:27 UTC.
Libra: from December 30 at 02:27 UTC until the end of December 2026.

Questions about the Moon in December 2026

When is the full Moon in December 2026?

The full Moon is on December 24 at 01:28 UTC with the Moon in Cancer. It is the Cold Moon, a name from the Old Farmer's Almanac tradition.

When is the new Moon in December 2026?

The new Moon is on December 9 at 00:52 UTC with the Moon in Sagittarius.

How much of the Moon is lit in December 2026?

At 12:00 UTC on December 1 the Moon is 47% lit (last quarter), on December 15 33% (waxing crescent) and on December 31 43% (waning crescent). The dimmest day at noon UTC is December 9 at 0%, the brightest December 24 at 100%.

Does December 2026 have a Blue Moon or an eclipse?

No: the one full Moon is December 24, and nothing is eclipsed.