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Moon phase calendar September 1998

Day	Phase	Illum.	Age	Rise (Tokyo)	Set (Tokyo)
1 Tue	First quarter	69%	10.0	14:04	–
2 Wed	Waxing gibbous	78%	11.0	14:56	00:31
3 Thu	Waxing gibbous	86%	12.0	15:46	01:25
4 Fri	Waxing gibbous	93%	13.0	16:33	02:25
5 Sat	Full moon	98%	14.0	17:18	03:29
6 Sun	Full moon 20:21	100%	15.0	18:00	04:36
7 Mon	Full moon	99%	16.0	18:40	05:45
8 Tue	Waning gibbous	96%	17.0	19:20	06:54
9 Wed	Waning gibbous	90%	18.0	20:00	08:04
10 Thu	Waning gibbous	82%	19.0	20:42	09:13
11 Fri	Waning gibbous	72%	20.0	21:26	10:21
12 Sat	Last quarter	61%	21.0	22:13	11:27
13 Sun	Last quarter 10:57	50%	22.0	23:04	12:29
14 Mon	Last quarter	39%	23.0	23:58	13:28
15 Tue	Waning crescent	29%	24.0	–	14:20
16 Wed	Waning crescent	20%	25.0	00:54	15:08
17 Thu	Waning crescent	12%	26.0	01:51	15:50
18 Fri	Waning crescent	6%	27.0	02:49	16:28
19 Sat	New moon	2%	28.0	03:46	17:03
20 Sun	New moon	0%	29.0	04:42	17:36
21 Mon	New moon 02:01	0%	0.4	05:38	18:07
22 Tue	New moon	2%	1.4	06:32	18:38
23 Wed	Waxing crescent	5%	2.4	07:27	19:09
24 Thu	Waxing crescent	10%	3.4	08:21	19:42
25 Fri	Waxing crescent	17%	4.4	09:14	20:16
26 Sat	Waxing crescent	24%	5.4	10:08	20:54
27 Sun	First quarter	33%	6.4	11:02	21:35
28 Mon	First quarter	43%	7.4	11:55	22:21
29 Tue	First quarter 06:10	53%	8.4	12:46	23:12
30 Wed	First quarter	63%	9.4	13:36	–

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 1998. Full moon: Sep 6 (363,906 km away).