A MONTH OF WAXING AND WANING LIGHT

September 2031 Moon phase calendar

Daily phase and illumination values use a Korea-time reference. Exact major phase moments are in Korea Standard Time (KST); moonrise and moonset below use Seoul as a reference location.

Major phase times

Full Moon

2031-09-01 · 18:21 KST

Last Quarter

2031-09-09 · 01:14 KST

New Moon

2031-09-17 · 03:47 KST

First Quarter

2031-09-24 · 10:20 KST

Daily Moon phase

Select a date for its detailed Moon view.

Full calendar →

Daily Moon phase, illumination, moonrise and moonset for September 2031; rise and set times use Seoul as reference
Date	Phase	Illumination	Moonrise	Moonset
9/1	Full Moon	100%	18:37	05:36
9/2	Waning Gibbous	99%	19:13	06:46
9/3	Waning Gibbous	96%	19:48	07:55
9/4	Waning Gibbous	90%	20:24	09:02
9/5	Waning Gibbous	83%	21:01	10:07
9/6	Waning Gibbous	74%	21:41	11:09
9/7	Last Quarter	65%	22:24	12:07
9/8	Last Quarter	55%	23:10	13:02
9/9	Last Quarter	46%	—	13:53
9/10	Last Quarter	36%	00:00	14:38
9/11	Waning Crescent	28%	00:52	15:19
9/12	Waning Crescent	20%	01:46	15:57
9/13	Waning Crescent	13%	02:41	16:31
9/14	Waning Crescent	7%	03:37	17:02
9/15	Waning Crescent	3%	04:34	17:33
9/16	New Moon	1%	05:32	18:03
9/17	New Moon	0%	06:31	18:33
9/18	Waxing Crescent	2%	07:31	19:05
9/19	Waxing Crescent	6%	08:33	19:40
9/20	Waxing Crescent	12%	09:36	20:19
9/21	Waxing Crescent	20%	10:39	21:03
9/22	Waxing Crescent	29%	11:42	21:54
9/23	First Quarter	40%	12:42	22:50
9/24	First Quarter	51%	13:38	23:53
9/25	First Quarter	62%	14:28	—
9/26	Waxing Gibbous	73%	15:14	00:59
9/27	Waxing Gibbous	83%	15:55	02:08
9/28	Waxing Gibbous	91%	16:32	03:17
9/29	Waxing Gibbous	96%	17:08	04:26
9/30	Full Moon	99%	17:43	05:34

Moonrise and moonset are astronomical calculations for Seoul and may differ from your location or visible horizon. Weather and local obstructions are not included.