Moon Phases in Seattle
Moonrise, Moonset, Phase, Illumination and Age for December1937
Today's Moon
Calculated for 2026-09-29
- Moonrise
- 19:53
- Phase
- Waning Gibbous
- Age of Moon
- 16.8 days
- Moonset
- 11:05
- Illumination
- 95%
- Next Full Moon
- 2026-10-25
Today's Sun
Calculated for 2026-09-29
- Sunrise
- 07:04
- Sunset
- 18:54
- Day Length
- 11h 49m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Wed | 06:29 | 15:35 | Waning Crescent | 4% | 27.6 days | 363104 km |
| Dec 2 Thu | 07:26 | 16:17 | New Moon | 1% | 28.6 days | 363104 km |
| Dec 3 Fri | 08:17 | 17:05 | Waxing Crescent | 0% | 0.1 days | 363104 km |
| Dec 4 Sat | 09:02 | 17:59 | Waxing Crescent | 1% | 1.1 days | 363104 km |
| Dec 5 Sun | 09:41 | 18:57 | Waxing Crescent | 5% | 2.1 days | 363104 km |
| Dec 6 Mon | 10:14 | 19:59 | Waxing Crescent | 10% | 3.1 days | 366619 km |
| Dec 7 Tue | 10:43 | 21:02 | Waxing Crescent | 18% | 4.1 days | 372246 km |
| Dec 8 Wed | 11:09 | 22:07 | Waxing Crescent | 26% | 5.1 days | 378425 km |
| Dec 9 Thu | 11:33 | 23:13 | First Quarter | 36% | 6.1 days | 384662 km |
| Dec 10 Fri | 11:56 | - | First Quarter | 47% | 7.1 days | 390502 km |
| Dec 11 Sat | 12:20 | 00:21 | First Quarter | 57% | 8.1 days | 395582 km |
| Dec 12 Sun | 12:46 | 01:32 | First Quarter | 67% | 9.1 days | 399664 km |
| Dec 13 Mon | 13:16 | 02:46 | Waxing Gibbous | 77% | 10.1 days | 402642 km |
| Dec 14 Tue | 13:52 | 04:02 | Waxing Gibbous | 85% | 11.1 days | 404536 km |
| Dec 15 Wed | 14:37 | 05:19 | Waxing Gibbous | 92% | 12.1 days | 405454 km |
| Dec 16 Thu | 15:33 | 06:33 | Waxing Gibbous | 97% | 13.1 days | 405548 km |
| Dec 17 Fri | 16:39 | 07:40 | Full Moon | 99% | 14.1 days | 404971 km |
| Dec 18 Sat | 17:55 | 08:35 | Waning Gibbous | 100% | 15.1 days | 403834 km |
| Dec 19 Sun | 19:13 | 09:20 | Waning Gibbous | 98% | 16.1 days | 402188 km |
| Dec 20 Mon | 20:30 | 09:56 | Waning Gibbous | 94% | 17.1 days | 400027 km |
| Dec 21 Tue | 21:46 | 10:26 | Waning Gibbous | 88% | 18.1 days | 397304 km |
| Dec 22 Wed | 22:58 | 10:53 | Waning Gibbous | 81% | 19.1 days | 393971 km |
| Dec 23 Thu | - | 11:17 | Waning Gibbous | 71% | 20.1 days | 390018 km |
| Dec 24 Fri | 00:07 | 11:41 | Last Quarter | 61% | 21.1 days | 385508 km |
| Dec 25 Sat | 01:14 | 12:05 | Last Quarter | 51% | 22.1 days | 380597 km |
| Dec 26 Sun | 02:18 | 12:31 | Last Quarter | 40% | 23.1 days | 375541 km |
| Dec 27 Mon | 03:22 | 13:01 | Waning Crescent | 30% | 24.1 days | 370671 km |
| Dec 28 Tue | 04:23 | 13:35 | Waning Crescent | 21% | 25.1 days | 366366 km |
| Dec 29 Wed | 05:21 | 14:15 | Waning Crescent | 13% | 26.1 days | 363104 km |
| Dec 30 Thu | 06:13 | 15:01 | Waning Crescent | 7% | 27.1 days | 363104 km |
| Dec 31 Fri | 07:00 | 15:53 | Waning Crescent | 2% | 28.1 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.