Moon calendar for December 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.
New Moon, quarters and full Moon in December 2026
- Last quarter
- New Moon
- First quarter
- Full Moon
- Last quarter
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.
| 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 |