Moon Calendar · An almanac · 2025
December 2025
December 2025 brings one full moon and one new moon.
Phase events this month
First quarter
Monday
6 Jan · 15:56
Full moon
Monday
13 Jan · 14:27
Last quarter
Tuesday
21 Jan · 12:31
New moon
Wednesday
29 Jan · 04:36
Month at a glance
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
3%
2
8%
3
15%
4
23%
5
33%
6
1Q
7
56%
8
67%
9
77%
10
86%
11
93%
12
97%
13
Full
14
99%
15
97%
16
93%
17
87%
18
80%
19
72%
20
63%
21
LQ
22
44%
23
35%
24
26%
25
18%
26
11%
27
5%
28
1%
29
New
30
1%
31
5%
Phase shown for noon UTC of each day. Phase-event dates are accurate to the minute.