Moon Phases December 2025
Full Moon
4 December
Last Quarter
11 December
New Moon
20 December
First Quarter
27 December
Moon phase day by day
| Day | Phase | Illumination |
|---|---|---|
| 1 | Waxing Gibbous | 83% |
| 2 | Waxing Gibbous | 91% |
| 3 | Full Moon | 97% |
| 4 | Full Moon | 99% |
| 5 | Full Moon | 99% |
| 6 | Waning Gibbous | 96% |
| 7 | Waning Gibbous | 90% |
| 8 | Waning Gibbous | 83% |
| 9 | Waning Gibbous | 74% |
| 10 | Last Quarter | 64% |
| 11 | Last Quarter | 53% |
| 12 | Last Quarter | 43% |
| 13 | Last Quarter | 34% |
| 14 | Waning Crescent | 25% |
| 15 | Waning Crescent | 18% |
| 16 | Waning Crescent | 11% |
| 17 | Waning Crescent | 6% |
| 18 | New Moon | 2% |
| 19 | New Moon | 0% |
| 20 | New Moon | 0% |
| 21 | New Moon | 2% |
| 22 | Waxing Crescent | 6% |
| 23 | Waxing Crescent | 11% |
| 24 | Waxing Crescent | 18% |
| 25 | Waxing Crescent | 27% |
| 26 | First Quarter | 37% |
| 27 | First Quarter | 47% |
| 28 | First Quarter | 58% |
| 29 | First Quarter | 69% |
| 30 | Waxing Gibbous | 79% |
| 31 | Waxing Gibbous | 88% |
Illumination at noon (UTC) for each day.
Frequently asked questions
When is the full moon in December 2025?
The full moon in December 2025 is on 4 December.
When is the new moon in December 2025?
The new moon in December 2025 is on 20 December.