ASTRUM
Moon calendar for December 2025
New Moon, Full Moon and the other phases in one calendar. Enjoy observing the Moon without a list of things you must or must not do.
Shown for London (default location).
Times and visibility are calculated for London, Europe/London. These are not predictions about your life.
Choose a day to see its details.
- 83%
- 91%
- 97%
- 100%
- 99%
- 96%
- 91%
- 83%
- 74%
- 64%
- 54%
- 44%
- 34%
- 25%
- 18%
- 11%
- 6%
- 2%
- 0%
- 0%
- 2%
- 6%
- 11%
- 18%
- 27%
- 37%
- 47%
- 58%
- 69%
- 79%
- 88%
- 95%
- 99%
- 100%
- 98%
- 94%
- 88%
- 80%
- 71%
- 61%
- 51%
- 42%
1 December 2025
Waxing Gibbous
83.2% illuminated
Phase and illumination at the middle of the local day.
2 December 2025
Waxing Gibbous
91.0% illuminated
Phase and illumination at the middle of the local day.
3 December 2025
Full Moon
96.7% illuminated
Phase and illumination at the middle of the local day.
4 December 2025
Full Moon
99.5% illuminated
Phase and illumination at the middle of the local day.
5 December 2025
Full Moon
99.3% illuminated
Phase and illumination at the middle of the local day.
6 December 2025
Full Moon
96.2% illuminated
Phase and illumination at the middle of the local day.
7 December 2025
Waning Gibbous
90.5% illuminated
Phase and illumination at the middle of the local day.
8 December 2025
Waning Gibbous
82.8% illuminated
Phase and illumination at the middle of the local day.
9 December 2025
Waning Gibbous
73.6% illuminated
Phase and illumination at the middle of the local day.
10 December 2025
Last Quarter
63.7% illuminated
Phase and illumination at the middle of the local day.
11 December 2025
Last Quarter
53.6% illuminated
Phase and illumination at the middle of the local day.
12 December 2025
Last Quarter
43.6% illuminated
Phase and illumination at the middle of the local day.
13 December 2025
Last Quarter
34.1% illuminated
Phase and illumination at the middle of the local day.
14 December 2025
Waning Crescent
25.3% illuminated
Phase and illumination at the middle of the local day.
15 December 2025
Waning Crescent
17.6% illuminated
Phase and illumination at the middle of the local day.
16 December 2025
Waning Crescent
11.1% illuminated
Phase and illumination at the middle of the local day.
17 December 2025
Waning Crescent
5.9% illuminated
Phase and illumination at the middle of the local day.
18 December 2025
New Moon
2.4% illuminated
Phase and illumination at the middle of the local day.
19 December 2025
New Moon
0.5% illuminated
Phase and illumination at the middle of the local day.
20 December 2025
New Moon
0.4% illuminated
Phase and illumination at the middle of the local day.
21 December 2025
New Moon
2.1% illuminated
Phase and illumination at the middle of the local day.
22 December 2025
Waxing Crescent
5.8% illuminated
Phase and illumination at the middle of the local day.
23 December 2025
Waxing Crescent
11.2% illuminated
Phase and illumination at the middle of the local day.
24 December 2025
Waxing Crescent
18.3% illuminated
Phase and illumination at the middle of the local day.
25 December 2025
Waxing Crescent
26.8% illuminated
Phase and illumination at the middle of the local day.
26 December 2025
First Quarter
36.6% illuminated
Phase and illumination at the middle of the local day.
27 December 2025
First Quarter
47.1% illuminated
Phase and illumination at the middle of the local day.
28 December 2025
First Quarter
58.2% illuminated
Phase and illumination at the middle of the local day.
29 December 2025
First Quarter
69.1% illuminated
Phase and illumination at the middle of the local day.
30 December 2025
Waxing Gibbous
79.2% illuminated
Phase and illumination at the middle of the local day.
31 December 2025
Waxing Gibbous
88.0% illuminated
Phase and illumination at the middle of the local day.
1 January 2026
Waxing Gibbous
94.6% illuminated
Phase and illumination at the middle of the local day.
2 January 2026
Full Moon
98.7% illuminated
Phase and illumination at the middle of the local day.
3 January 2026
Full Moon
99.8% illuminated
Phase and illumination at the middle of the local day.
4 January 2026
Full Moon
98.2% illuminated
Phase and illumination at the middle of the local day.
5 January 2026
Waning Gibbous
93.9% illuminated
Phase and illumination at the middle of the local day.
6 January 2026
Waning Gibbous
87.6% illuminated
Phase and illumination at the middle of the local day.
7 January 2026
Waning Gibbous
79.7% illuminated
Phase and illumination at the middle of the local day.
8 January 2026
Waning Gibbous
70.7% illuminated
Phase and illumination at the middle of the local day.
9 January 2026
Last Quarter
61.1% illuminated
Phase and illumination at the middle of the local day.
10 January 2026
Last Quarter
51.4% illuminated
Phase and illumination at the middle of the local day.
11 January 2026
Last Quarter
41.8% illuminated
Phase and illumination at the middle of the local day.
A symbolic perspective for reflection, not a diagnosis or a prediction of events.