Moon Calendar · An almanac · 2025
September 2025
September 2025 brings one full moon and one new moon.
Phase events this month
Full moon
Monday
6 Oct · 20:48
Last quarter
Monday
13 Oct · 11:13
New moon
Tuesday
21 Oct · 05:25
First quarter
Wednesday
29 Oct · 09:21
Month at a glance
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
65%
2
74%
3
83%
4
91%
5
96%
6
99%
7
Full
8
97%
9
92%
10
84%
11
75%
12
64%
13
LQ
14
42%
15
32%
16
23%
17
15%
18
8%
19
4%
20
1%
21
New
22
1%
23
4%
24
8%
25
14%
26
21%
27
29%
28
38%
29
1Q
30
59%
31
69%
Phase shown for noon UTC of each day. Phase-event dates are accurate to the minute.