A MONTH OF WAXING AND WANING LIGHT
December 1991 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
Which time zone does this calendar use?
Each major phase happens at the same instant worldwide. The cards show that instant in KST (UTC+9) and UTC; your local calendar date may be different. This month’s events are grouped by their KST date.
Daily phase and illumination are sampled at noon KST (03:00 UTC). Moonrise and moonset are for Seoul, not your current location. For local rise and set times, choose your location in Moonrise and moonset tonight.
Find the Moon on your birthday →Daily Moon phase
Select a date for its detailed Moon view.
| Date | Moon | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|---|
| 12/1 | Waning Crescent | 24% | 02:23 | 13:56 | |
| 12/2 | Waning Crescent | 16% | 03:27 | 14:26 | |
| 12/3 | Waning Crescent | 9% | 04:31 | 14:59 | |
| 12/4 | Waning Crescent | 4% | 05:34 | 15:36 | |
| 12/5 | Waning Crescent | 1% | 06:35 | 16:18 | |
| 12/6 | New Moon | 0% | 07:33 | 17:06 | |
| 12/7 | Waxing Crescent | 1% | 08:25 | 17:58 | |
| 12/8 | Waxing Crescent | 4% | 09:11 | 18:54 | |
| 12/9 | Waxing Crescent | 8% | 09:51 | 19:52 | |
| 12/10 | Waxing Crescent | 14% | 10:25 | 20:50 | |
| 12/11 | Waxing Crescent | 21% | 10:55 | 21:48 | |
| 12/12 | Waxing Crescent | 29% | 11:23 | 22:46 | |
| 12/13 | Waxing Crescent | 38% | 11:48 | 23:43 | |
| 12/14 | Waxing Crescent | 47% | 12:13 | — | |
| 12/15 | Waxing Gibbous | 57% | 12:39 | 00:42 | |
| 12/16 | Waxing Gibbous | 67% | 13:07 | 01:43 | |
| 12/17 | Waxing Gibbous | 77% | 13:39 | 02:47 | |
| 12/18 | Waxing Gibbous | 85% | 14:16 | 03:54 | |
| 12/19 | Waxing Gibbous | 92% | 15:01 | 05:04 | |
| 12/20 | Waxing Gibbous | 97% | 15:57 | 06:14 | |
| 12/21 | Full Moon | 100% | 17:02 | 07:21 | |
| 12/22 | Full Moon | 99% | 18:15 | 08:20 | |
| 12/23 | Waning Gibbous | 96% | 19:31 | 09:10 | |
| 12/24 | Waning Gibbous | 90% | 20:46 | 09:53 | |
| 12/25 | Waning Gibbous | 81% | 21:59 | 10:29 | |
| 12/26 | Waning Gibbous | 71% | 23:08 | 11:00 | |
| 12/27 | Waning Gibbous | 61% | — | 11:30 | |
| 12/28 | Last Quarter | 50% | 00:15 | 11:59 | |
| 12/29 | Waning Crescent | 39% | 01:21 | 12:29 | |
| 12/30 | Waning Crescent | 29% | 02:25 | 13:01 | |
| 12/31 | Waning Crescent | 21% | 03:28 | 13:36 |
Born in December 1991?
Choose your birth date to see that day’s Moon in 3D and make a card you can share.
Moonrise and moonset are astronomical calculations for Seoul and may differ from your location or visible horizon. Weather and local obstructions are not included.