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Moon phase calendar May 1991

Day	Phase	Illum.	Age	Rise (Tokyo)	Set (Tokyo)
1 Wed	Waning gibbous	95%	16.3	20:58	05:50
2 Thu	Waning gibbous	90%	17.3	21:50	06:36
3 Fri	Waning gibbous	84%	18.3	22:36	07:27
4 Sat	Waning gibbous	76%	19.3	23:17	08:22
5 Sun	Last quarter	68%	20.3	23:53	09:19
6 Mon	Last quarter	59%	21.3	–	10:18
7 Tue	Last quarter 09:46	49%	22.3	00:25	11:17
8 Wed	Last quarter	39%	23.3	00:54	12:16
9 Thu	Waning crescent	30%	24.3	01:22	13:16
10 Fri	Waning crescent	21%	25.3	01:49	14:19
11 Sat	Waning crescent	13%	26.3	02:17	15:23
12 Sun	Waning crescent	6%	27.3	02:48	16:32
13 Mon	New moon	2%	28.3	03:24	17:44
14 Tue	New moon 13:35	0%	29.3	04:06	18:57
15 Wed	New moon	1%	0.9	04:56	20:09
16 Thu	Waxing crescent	6%	1.9	05:56	21:14
17 Fri	Waxing crescent	12%	2.9	07:04	22:10
18 Sat	Waxing crescent	21%	3.9	08:16	22:57
19 Sun	First quarter	31%	4.9	09:28	23:36
20 Mon	First quarter	42%	5.9	10:38	–
21 Tue	First quarter 04:45	53%	6.9	11:44	00:09
22 Wed	First quarter	64%	7.9	12:48	00:39
23 Thu	Waxing gibbous	74%	8.9	13:50	01:07
24 Fri	Waxing gibbous	82%	9.9	14:51	01:35
25 Sat	Waxing gibbous	89%	10.9	15:52	02:03
26 Sun	Waxing gibbous	95%	11.9	16:53	02:34
27 Mon	Full moon	98%	12.9	17:53	03:09
28 Tue	Full moon 20:36	100%	13.9	18:50	03:48
29 Wed	Full moon	100%	14.9	19:44	04:32
30 Thu	Full moon	98%	15.9	20:32	05:22
31 Fri	Waning gibbous	94%	16.9	21:15	06:15

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 May 1991. Full moon: May 28 (403,382 km away).