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Moon phase calendar August 1981

Day	Phase	Illum.	Age	Rise (Tokyo)	Set (Tokyo)
1 Sat	New moon	1%	1.0	05:35	19:39
2 Sun	Waxing crescent	5%	2.0	06:39	20:17
3 Mon	Waxing crescent	10%	3.0	07:41	20:51
4 Tue	Waxing crescent	17%	4.0	08:40	21:22
5 Wed	Waxing crescent	25%	5.0	09:38	21:52
6 Thu	First quarter	34%	6.0	10:34	22:22
7 Fri	First quarter	44%	7.0	11:30	22:52
8 Sat	First quarter 04:26	53%	8.0	12:25	23:25
9 Sun	First quarter	62%	9.0	13:20	–
10 Mon	Waxing gibbous	71%	10.0	14:15	00:00
11 Tue	Waxing gibbous	80%	11.0	15:10	00:40
12 Wed	Waxing gibbous	87%	12.0	16:02	01:24
13 Thu	Waxing gibbous	93%	13.0	16:53	02:14
14 Fri	Full moon	97%	14.0	17:40	03:08
15 Sat	Full moon	100%	15.0	18:23	04:08
16 Sun	Full moon 01:36	100%	16.0	19:03	05:10
17 Mon	Full moon	98%	17.0	19:41	06:14
18 Tue	Waning gibbous	93%	18.0	20:16	07:19
19 Wed	Waning gibbous	86%	19.0	20:51	08:25
20 Thu	Waning gibbous	77%	20.0	21:27	09:31
21 Fri	Last quarter	67%	21.0	22:04	10:38
22 Sat	Last quarter 23:15	56%	22.0	22:45	11:45
23 Sun	Last quarter	44%	23.0	23:30	12:52
24 Mon	Last quarter	33%	24.0	–	13:58
25 Tue	Waning crescent	23%	25.0	00:21	15:00
26 Wed	Waning crescent	14%	26.0	01:17	15:58
27 Thu	Waning crescent	7%	27.0	02:18	16:49
28 Fri	New moon	3%	28.0	03:20	17:33
29 Sat	New moon 23:43	0%	29.0	04:24	18:13
30 Sun	New moon	0%	0.5	05:26	18:48
31 Mon	New moon	3%	1.5	06:27	19:20

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 August 1981. Full moon: Aug 16 (381,820 km away).