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Moon phase calendar December 1991

Day	Phase	Illum.	Age	Rise (Tokyo)	Set (Tokyo)
1 Sun	Waning crescent	24%	24.7	01:29	13:06
2 Mon	Waning crescent	16%	25.7	02:32	13:37
3 Tue	Waning crescent	9%	26.7	03:35	14:11
4 Wed	Waning crescent	4%	27.7	04:37	14:49
5 Thu	New moon	1%	28.7	05:38	15:32
6 Fri	New moon 12:56	0%	29.7	06:35	16:20
7 Sat	New moon	1%	1.0	07:27	17:12
8 Sun	New moon	4%	2.0	08:14	18:07
9 Mon	Waxing crescent	8%	3.0	08:54	19:04
10 Tue	Waxing crescent	14%	4.0	09:30	20:01
11 Wed	Waxing crescent	21%	5.0	10:01	20:58
12 Thu	Waxing crescent	29%	6.0	10:29	21:55
13 Fri	First quarter	38%	7.0	10:56	22:51
14 Sat	First quarter 18:31	47%	8.0	11:22	23:49
15 Sun	First quarter	57%	9.0	11:49	–
16 Mon	First quarter	67%	10.0	12:18	00:49
17 Tue	Waxing gibbous	77%	11.0	12:50	01:51
18 Wed	Waxing gibbous	85%	12.0	13:29	02:57
19 Thu	Waxing gibbous	92%	13.0	14:15	04:06
20 Fri	Full moon	98%	14.0	15:10	05:15
21 Sat	Full moon 19:23	100%	15.0	16:15	06:22
22 Sun	Full moon	99%	16.0	17:27	07:22
23 Mon	Waning gibbous	96%	17.0	18:42	08:14
24 Tue	Waning gibbous	90%	18.0	19:56	08:57
25 Wed	Waning gibbous	81%	19.0	21:08	09:35
26 Thu	Waning gibbous	71%	20.0	22:16	10:08
27 Fri	Last quarter	60%	21.0	23:22	10:39
28 Sat	Last quarter 10:55	50%	22.0	–	11:09
29 Sun	Last quarter	39%	23.0	00:26	11:40
30 Mon	Waning crescent	29%	24.0	01:29	12:13
31 Tue	Waning crescent	20%	25.0	02:31	12:49

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 December 1991. Full moon: Dec 21 (359,226 km away).