A MONTH OF WAXING AND WANING LIGHT
December 1990 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 | Waxing Gibbous | 98% | 15:57 | 05:59 | |
| 12/2 | Full Moon | 100% | 16:52 | 07:16 | |
| 12/3 | Waning Gibbous | 99% | 17:58 | 08:28 | |
| 12/4 | Waning Gibbous | 95% | 19:11 | 09:31 | |
| 12/5 | Waning Gibbous | 89% | 20:26 | 10:22 | |
| 12/6 | Waning Gibbous | 80% | 21:39 | 11:04 | |
| 12/7 | Waning Gibbous | 71% | 22:48 | 11:38 | |
| 12/8 | Waning Gibbous | 60% | 23:54 | 12:07 | |
| 12/9 | Last Quarter | 50% | — | 12:33 | |
| 12/10 | Waning Crescent | 40% | 00:56 | 12:58 | |
| 12/11 | Waning Crescent | 30% | 01:57 | 13:23 | |
| 12/12 | Waning Crescent | 22% | 02:57 | 13:49 | |
| 12/13 | Waning Crescent | 14% | 03:57 | 14:19 | |
| 12/14 | Waning Crescent | 8% | 04:57 | 14:52 | |
| 12/15 | Waning Crescent | 4% | 05:56 | 15:30 | |
| 12/16 | Waning Crescent | 1% | 06:53 | 16:15 | |
| 12/17 | New Moon | 0% | 07:45 | 17:05 | |
| 12/18 | Waxing Crescent | 1% | 08:32 | 18:01 | |
| 12/19 | Waxing Crescent | 3% | 09:13 | 19:00 | |
| 12/20 | Waxing Crescent | 8% | 09:49 | 20:00 | |
| 12/21 | Waxing Crescent | 14% | 10:20 | 21:01 | |
| 12/22 | Waxing Crescent | 21% | 10:48 | 22:03 | |
| 12/23 | Waxing Crescent | 30% | 11:14 | 23:04 | |
| 12/24 | Waxing Crescent | 40% | 11:39 | — | |
| 12/25 | First Quarter | 50% | 12:05 | 00:07 | |
| 12/26 | Waxing Gibbous | 61% | 12:33 | 01:12 | |
| 12/27 | Waxing Gibbous | 71% | 13:06 | 02:21 | |
| 12/28 | Waxing Gibbous | 81% | 13:45 | 03:33 | |
| 12/29 | Waxing Gibbous | 90% | 14:33 | 04:48 | |
| 12/30 | Waxing Gibbous | 96% | 15:32 | 06:02 | |
| 12/31 | Full Moon | 99% | 16:41 | 07:09 |
Born in December 1990?
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.