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Moon phase calendar April 1981

Day	Phase	Illum.	Age	Rise (Tokyo)	Set (Tokyo)
1 Wed	Waning crescent	18%	25.7	03:10	13:57
2 Thu	Waning crescent	10%	26.7	03:52	15:03
3 Fri	Waning crescent	4%	27.7	04:32	16:11
4 Sat	New moon	1%	28.7	05:10	17:21
5 Sun	New moon 05:19	0%	0.3	05:48	18:33
6 Mon	New moon	3%	1.3	06:27	19:44
7 Tue	Waxing crescent	8%	2.3	07:09	20:56
8 Wed	Waxing crescent	16%	3.3	07:53	22:06
9 Thu	Waxing crescent	25%	4.3	08:42	23:12
10 Fri	First quarter	36%	5.3	09:35	–
11 Sat	First quarter 20:10	46%	6.3	10:31	00:12
12 Sun	First quarter	57%	7.3	11:30	01:06
13 Mon	First quarter	67%	8.3	12:30	01:53
14 Tue	Waxing gibbous	76%	9.3	13:29	02:34
15 Wed	Waxing gibbous	84%	10.3	14:27	03:11
16 Thu	Waxing gibbous	91%	11.3	15:24	03:44
17 Fri	Waxing gibbous	96%	12.3	16:19	04:15
18 Sat	Full moon	98%	13.3	17:15	04:45
19 Sun	Full moon 16:58	100%	14.3	18:09	05:14
20 Mon	Full moon	99%	15.3	19:04	05:44
21 Tue	Full moon	97%	16.3	19:59	06:15
22 Wed	Waning gibbous	93%	17.3	20:54	06:49
23 Thu	Waning gibbous	88%	18.3	21:48	07:27
24 Fri	Waning gibbous	81%	19.3	22:41	08:08
25 Sat	Waning gibbous	72%	20.3	23:32	08:55
26 Sun	Last quarter	63%	21.3	–	09:46
27 Mon	Last quarter 19:14	53%	22.3	00:20	10:41
28 Tue	Last quarter	43%	23.3	01:05	11:41
29 Wed	Last quarter	32%	24.3	01:47	12:44
30 Thu	Waning crescent	22%	25.3	02:26	13:49

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 April 1981. Full moon: Apr 19 (405,715 km away).