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Moon phase calendar September 2031

Day	Phase	Illum.	Age	Rise (Tokyo)	Set (Tokyo)
1 Mon	Full moon 18:20	100%	13.9	17:45	04:45
2 Tue	Full moon	99%	14.9	18:22	05:54
3 Wed	Waning gibbous	96%	15.9	18:58	07:02
4 Thu	Waning gibbous	90%	16.9	19:35	08:07
5 Fri	Waning gibbous	83%	17.9	20:13	09:11
6 Sat	Waning gibbous	74%	18.9	20:53	10:12
7 Sun	Last quarter	65%	19.9	21:36	11:11
8 Mon	Last quarter	56%	20.9	22:23	12:05
9 Tue	Last quarter 01:14	46%	21.9	23:12	12:56
10 Wed	Last quarter	36%	22.9	–	13:42
11 Thu	Waning crescent	28%	23.9	00:04	14:24
12 Fri	Waning crescent	20%	24.9	00:57	15:02
13 Sat	Waning crescent	13%	25.9	01:52	15:36
14 Sun	Waning crescent	7%	26.9	02:47	16:09
15 Mon	New moon	3%	27.9	03:43	16:40
16 Tue	New moon	1%	28.9	04:40	17:11
17 Wed	New moon 03:46	0%	0.3	05:38	17:43
18 Thu	New moon	2%	1.3	06:37	18:16
19 Fri	Waxing crescent	6%	2.3	07:38	18:51
20 Sat	Waxing crescent	12%	3.3	08:40	19:31
21 Sun	Waxing crescent	20%	4.3	09:43	20:15
22 Mon	Waxing crescent	29%	5.3	10:45	21:06
23 Tue	First quarter	40%	6.3	11:45	22:02
24 Wed	First quarter 10:19	51%	7.3	12:41	23:04
25 Thu	First quarter	62%	8.3	13:32	–
26 Fri	Waxing gibbous	73%	9.3	14:19	00:10
27 Sat	Waxing gibbous	83%	10.3	15:01	01:18
28 Sun	Waxing gibbous	91%	11.3	15:39	02:26
29 Mon	Full moon	96%	12.3	16:16	03:34
30 Tue	Full moon	99%	13.3	16:52	04:41

Computed with the JPL DE421 ephemeris and Skyfield (JST). Illumination and age are for 12:00 JST; moonrise and moonset are for Tokyo. Distances are centre to centre. "Supermoon" is not a formal astronomical term.

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Daily moon phase, illumination, age and Tokyo moonrise/moonset for September 2031. Full moon: Sep 1 (364,386 km away).