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A MONTH OF WAXING AND WANING LIGHT
December 2025 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
Daily Moon phase
Select a date for its detailed Moon view.
| Date | Moon | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|---|
| 12/1 | Waxing Gibbous | 79% | 14:20 | 02:42 | |
| 12/2 | Waxing Gibbous | 88% | 14:50 | 03:54 | |
| 12/3 | Waxing Gibbous | 95% | 15:27 | 05:11 | |
| 12/4 | Waxing Gibbous | 99% | 16:12 | 06:31 | |
| 12/5 | Full Moon | 100% | 17:08 | 07:51 | |
| 12/6 | Waning Gibbous | 98% | 18:15 | 09:03 | |
| 12/7 | Waning Gibbous | 93% | 19:29 | 10:03 | |
| 12/8 | Waning Gibbous | 86% | 20:44 | 10:51 | |
| 12/9 | Waning Gibbous | 77% | 21:56 | 11:28 | |
| 12/10 | Last Quarter | 68% | 23:03 | 11:58 | |
| 12/11 | Last Quarter | 58% | — | 12:24 | |
| 12/12 | Last Quarter | 48% | 00:07 | 12:47 | |
| 12/13 | Last Quarter | 38% | 01:08 | 13:09 | |
| 12/14 | Waning Crescent | 29% | 02:07 | 13:31 | |
| 12/15 | Waning Crescent | 21% | 03:06 | 13:55 | |
| 12/16 | Waning Crescent | 14% | 04:06 | 14:22 | |
| 12/17 | Waning Crescent | 8% | 05:07 | 14:53 | |
| 12/18 | Waning Crescent | 4% | 06:07 | 15:29 | |
| 12/19 | Waning Crescent | 1% | 07:06 | 16:13 | |
| 12/20 | New Moon | 0% | 08:01 | 17:04 | |
| 12/21 | Waxing Crescent | 1% | 08:50 | 18:02 | |
| 12/22 | Waxing Crescent | 4% | 09:33 | 19:04 | |
| 12/23 | Waxing Crescent | 9% | 10:09 | 20:09 | |
| 12/24 | Waxing Crescent | 15% | 10:40 | 21:13 | |
| 12/25 | Waxing Crescent | 23% | 11:07 | 22:18 | |
| 12/26 | First Quarter | 32% | 11:32 | 23:23 | |
| 12/27 | First Quarter | 43% | 11:56 | — | |
| 12/28 | First Quarter | 54% | 12:21 | 00:28 | |
| 12/29 | First Quarter | 65% | 12:48 | 01:37 | |
| 12/30 | Waxing Gibbous | 75% | 13:20 | 02:49 | |
| 12/31 | Waxing Gibbous | 85% | 13:59 | 04:05 |
Moonrise and moonset are astronomical calculations for Seoul and may differ from your location or visible horizon. Weather and local obstructions are not included.