A MONTH OF WAXING AND WANING LIGHT
December 1978 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 Crescent | 1% | 07:56 | 18:23 | |
| 12/2 | Waxing Crescent | 5% | 08:58 | 19:23 | |
| 12/3 | Waxing Crescent | 11% | 09:56 | 20:28 | |
| 12/4 | Waxing Crescent | 19% | 10:48 | 21:35 | |
| 12/5 | Waxing Crescent | 29% | 11:35 | 22:42 | |
| 12/6 | Waxing Crescent | 40% | 12:16 | 23:49 | |
| 12/7 | Waxing Gibbous | 51% | 12:54 | — | |
| 12/8 | Waxing Gibbous | 62% | 13:30 | 00:54 | |
| 12/9 | Waxing Gibbous | 72% | 14:05 | 01:58 | |
| 12/10 | Waxing Gibbous | 81% | 14:40 | 03:00 | |
| 12/11 | Waxing Gibbous | 89% | 15:17 | 04:01 | |
| 12/12 | Waxing Gibbous | 94% | 15:55 | 05:01 | |
| 12/13 | Waxing Gibbous | 98% | 16:37 | 05:59 | |
| 12/14 | Full Moon | 100% | 17:21 | 06:54 | |
| 12/15 | Full Moon | 99% | 18:09 | 07:47 | |
| 12/16 | Waning Gibbous | 97% | 18:59 | 08:35 | |
| 12/17 | Waning Gibbous | 94% | 19:52 | 09:19 | |
| 12/18 | Waning Gibbous | 88% | 20:45 | 10:00 | |
| 12/19 | Waning Gibbous | 82% | 21:39 | 10:36 | |
| 12/20 | Waning Gibbous | 74% | 22:34 | 11:10 | |
| 12/21 | Waning Gibbous | 65% | 23:29 | 11:43 | |
| 12/22 | Waning Gibbous | 56% | — | 12:14 | |
| 12/23 | Waning Crescent | 46% | 00:25 | 12:45 | |
| 12/24 | Waning Crescent | 36% | 01:22 | 13:18 | |
| 12/25 | Waning Crescent | 27% | 02:22 | 13:53 | |
| 12/26 | Waning Crescent | 18% | 03:24 | 14:32 | |
| 12/27 | Waning Crescent | 10% | 04:28 | 15:16 | |
| 12/28 | Waning Crescent | 4% | 05:33 | 16:06 | |
| 12/29 | New Moon | 1% | 06:38 | 17:03 | |
| 12/30 | New Moon | 0% | 07:40 | 18:07 | |
| 12/31 | Waxing Crescent | 3% | 08:37 | 19:16 |
Born in December 1978?
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.