Moon Phases in Seattle
Moonrise, Moonset, Phase, Illumination and Age for December1963
Today's Moon
Calculated for 2026-08-04
- Moonrise
- 22:51
- Phase
- Waning Gibbous
- Age of Moon
- 20.1 days
- Moonset
- 12:49
- Illumination
- 71%
- Next Full Moon
- 2026-08-27
Today's Sun
Calculated for 2026-08-04
- Sunrise
- 05:49
- Sunset
- 20:41
- Day Length
- 14h 51m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Sun | 17:20 | 08:18 | Waxing Gibbous | 100% | 14.7 days | 363104 km |
| Dec 2 Mon | 18:16 | 09:32 | Waning Gibbous | 99% | 15.7 days | 363104 km |
| Dec 3 Tue | 19:21 | 10:34 | Waning Gibbous | 96% | 16.7 days | 363104 km |
| Dec 4 Wed | 20:31 | 11:25 | Waning Gibbous | 90% | 17.7 days | 363104 km |
| Dec 5 Thu | 21:43 | 12:04 | Waning Gibbous | 83% | 18.7 days | 364420 km |
| Dec 6 Fri | 22:53 | 12:35 | Waning Gibbous | 74% | 19.7 days | 368523 km |
| Dec 7 Sat | - | 13:02 | Last Quarter | 65% | 20.7 days | 373368 km |
| Dec 8 Sun | 00:01 | 13:24 | Last Quarter | 54% | 21.7 days | 378555 km |
| Dec 9 Mon | 01:06 | 13:45 | Last Quarter | 44% | 22.7 days | 383714 km |
| Dec 10 Tue | 02:10 | 14:05 | Last Quarter | 33% | 23.7 days | 388545 km |
| Dec 11 Wed | 03:13 | 14:25 | Waning Crescent | 24% | 24.7 days | 392838 km |
| Dec 12 Thu | 04:16 | 14:48 | Waning Crescent | 15% | 25.7 days | 396490 km |
| Dec 13 Fri | 05:19 | 15:13 | Waning Crescent | 9% | 26.7 days | 399481 km |
| Dec 14 Sat | 06:21 | 15:43 | Waning Crescent | 4% | 27.7 days | 401852 km |
| Dec 15 Sun | 07:23 | 16:17 | New Moon | 1% | 28.7 days | 403660 km |
| Dec 16 Mon | 08:21 | 17:00 | Waxing Crescent | 0% | 0.2 days | 404941 km |
| Dec 17 Tue | 09:15 | 17:50 | Waxing Crescent | 2% | 1.2 days | 405678 km |
| Dec 18 Wed | 10:02 | 18:47 | Waxing Crescent | 5% | 2.2 days | 405696 km |
| Dec 19 Thu | 10:42 | 19:50 | Waxing Crescent | 11% | 3.2 days | 405153 km |
| Dec 20 Fri | 11:16 | 20:58 | Waxing Crescent | 19% | 4.2 days | 403606 km |
| Dec 21 Sat | 11:45 | 22:07 | Waxing Crescent | 28% | 5.2 days | 401023 km |
| Dec 22 Sun | 12:11 | 23:19 | First Quarter | 38% | 6.2 days | 397344 km |
| Dec 23 Mon | 12:35 | - | First Quarter | 48% | 7.2 days | 392619 km |
| Dec 24 Tue | 12:59 | 00:32 | First Quarter | 59% | 8.2 days | 387027 km |
| Dec 25 Wed | 13:24 | 01:48 | First Quarter | 69% | 9.2 days | 380882 km |
| Dec 26 Thu | 13:52 | 03:06 | Waxing Gibbous | 78% | 10.2 days | 374602 km |
| Dec 27 Fri | 14:25 | 04:26 | Waxing Gibbous | 86% | 11.2 days | 368672 km |
| Dec 28 Sat | 15:06 | 05:47 | Waxing Gibbous | 93% | 12.2 days | 363584 km |
| Dec 29 Sun | 15:56 | 07:04 | Waxing Gibbous | 97% | 13.2 days | 363104 km |
| Dec 30 Mon | 16:57 | 08:14 | Full Moon | 100% | 14.2 days | 363104 km |
| Dec 31 Tue | 18:06 | 09:12 | Waning Gibbous | 100% | 15.2 days | 363104 km |
* Moon Phase: The shape of the illuminated (sunlit) portion of the Moon as seen by an observer on Earth.
* Illumination: The percentage of the Moon's surface illuminated by the Sun.
* Moon Age: The number of days since the last New Moon.