Moon Phases December 2025
The full moon is on December 4 at 23:14 UTC, the last quarter is on December 11 at 20:52 UTC, the new moon is on December 20 at 01:43 UTC and the first quarter is on December 27 at 19:10 UTC. This month's full moon is the Cold Moon, a supermoon.
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
83%
2
91%
3
97%
4
99%
Full Moon
5
99%
6
96%
7
91%
8
83%
9
74%
10
64%
11
54%
Last Quarter
12
44%
13
34%
14
26%
15
18%
16
11%
17
6%
18
2%
19
0%
20
0%
New Moon
21
2%
22
6%
23
11%
24
18%
25
27%
26
36%
27
47%
First Quarter
28
58%
29
69%
30
79%
31
88%
Illumination at 12:00 UTC each day, drawn as seen from the Northern Hemisphere. South of the equator the lit side is mirrored.
Exact times, December 2025
| Phase | UTC | Pacific | Eastern | UK | Sydney | Auckland |
|---|---|---|---|---|---|---|
| Full Moon | Dec 4 23:14 | Dec 4 | Dec 4 | 4 Dec | 5 Dec | 5 Dec |
| Last Quarter | Dec 11 20:52 | Dec 11 | Dec 11 | 11 Dec | 12 Dec | 12 Dec |
| New Moon | Dec 20 01:43 | Dec 19 | Dec 19 | 20 Dec | 20 Dec | 20 Dec |
| First Quarter | Dec 27 19:10 | Dec 27 | Dec 27 | 27 Dec | 28 Dec | 28 Dec |
Moonrise and moonset this month
Rise and set times depend on where you are. Open a city for its own moon calendar: