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Moon phase calendar September 1981

Day	Phase	Illum.	Age	Rise (Tokyo)	Set (Tokyo)
1 Tue	Waxing crescent	7%	2.5	07:26	19:51
2 Wed	Waxing crescent	13%	3.5	08:23	20:21
3 Thu	Waxing crescent	20%	4.5	09:19	20:51
4 Fri	Waxing crescent	28%	5.5	10:15	21:23
5 Sat	First quarter	37%	6.5	11:10	21:57
6 Sun	First quarter 22:25	46%	7.5	12:05	22:34
7 Mon	First quarter	56%	8.5	12:59	23:16
8 Tue	First quarter	65%	9.5	13:52	–
9 Wed	Waxing gibbous	74%	10.5	14:43	00:03
10 Thu	Waxing gibbous	82%	11.5	15:32	00:55
11 Fri	Waxing gibbous	89%	12.5	16:16	01:52
12 Sat	Waxing gibbous	95%	13.5	16:58	02:53
13 Sun	Full moon	99%	14.5	17:37	03:57
14 Mon	Full moon 12:08	100%	15.5	18:13	05:03
15 Tue	Full moon	98%	16.5	18:49	06:10
16 Wed	Waning gibbous	94%	17.5	19:25	07:18
17 Thu	Waning gibbous	88%	18.5	20:03	08:27
18 Fri	Waning gibbous	79%	19.5	20:43	09:36
19 Sat	Last quarter	69%	20.5	21:28	10:45
20 Sun	Last quarter	58%	21.5	22:17	11:52
21 Mon	Last quarter 04:47	47%	22.5	23:12	12:55
22 Tue	Last quarter	36%	23.5	–	13:54
23 Wed	Waning crescent	26%	24.5	00:10	14:46
24 Thu	Waning crescent	17%	25.5	01:12	15:32
25 Fri	Waning crescent	10%	26.5	02:14	16:12
26 Sat	Waning crescent	4%	27.5	03:16	16:48
27 Sun	New moon	1%	28.5	04:16	17:20
28 Mon	New moon 13:07	0%	29.5	05:15	17:51
29 Tue	New moon	1%	1.0	06:13	18:21
30 Wed	New moon	4%	2.0	07:09	18:51

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 1981. Full moon: Sep 14 (371,192 km away).