Moon Phases in San Francisco
Moonrise, Moonset, Phase, Illumination and Age for December1917
Today's Moon
Calculated for 2026-05-15
- Moonrise
- 04:48
- Phase
- New Moon
- Age of Moon
- 27.7 days
- Moonset
- 19:26
- Illumination
- 4%
- Next Full Moon
- 2026-05-31
Today's Sun
Calculated for 2026-05-15
- Sunrise
- 05:57
- Sunset
- 20:14
- Day Length
- 14h 16m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Sat | 19:49 | 09:44 | Waning Gibbous | 96% | 16.6 days | 405470 km |
| Dec 2 Sun | 20:49 | 10:21 | Waning Gibbous | 91% | 17.6 days | 405575 km |
| Dec 3 Mon | 21:49 | 10:54 | Waning Gibbous | 84% | 18.6 days | 404825 km |
| Dec 4 Tue | 22:47 | 11:23 | Waning Gibbous | 75% | 19.6 days | 403058 km |
| Dec 5 Wed | 23:44 | 11:49 | Last Quarter | 66% | 20.6 days | 400163 km |
| Dec 6 Thu | - | 12:13 | Last Quarter | 55% | 21.6 days | 396124 km |
| Dec 7 Fri | 00:40 | 12:38 | Last Quarter | 45% | 22.6 days | 391053 km |
| Dec 8 Sat | 01:37 | 13:05 | Last Quarter | 34% | 23.6 days | 385196 km |
| Dec 9 Sun | 02:35 | 13:33 | Waning Crescent | 25% | 24.6 days | 378926 km |
| Dec 10 Mon | 03:36 | 14:05 | Waning Crescent | 16% | 25.6 days | 372704 km |
| Dec 11 Tue | 04:37 | 14:43 | Waning Crescent | 9% | 26.6 days | 367029 km |
| Dec 12 Wed | 05:40 | 15:28 | Waning Crescent | 4% | 27.6 days | 363104 km |
| Dec 13 Thu | 06:42 | 16:20 | New Moon | 1% | 28.6 days | 363104 km |
| Dec 14 Fri | 07:40 | 17:22 | Waxing Crescent | 0% | 0.1 days | 363104 km |
| Dec 15 Sat | 08:31 | 18:29 | Waxing Crescent | 1% | 1.1 days | 363104 km |
| Dec 16 Sun | 09:17 | 19:39 | Waxing Crescent | 5% | 2.1 days | 363104 km |
| Dec 17 Mon | 09:56 | 20:50 | Waxing Crescent | 11% | 3.1 days | 363773 km |
| Dec 18 Tue | 10:31 | 22:00 | Waxing Crescent | 18% | 4.1 days | 368678 km |
| Dec 19 Wed | 11:03 | 23:10 | Waxing Crescent | 27% | 5.1 days | 374372 km |
| Dec 20 Thu | 11:34 | - | First Quarter | 37% | 6.1 days | 380381 km |
| Dec 21 Fri | 12:04 | 00:18 | First Quarter | 47% | 7.1 days | 386254 km |
| Dec 22 Sat | 12:37 | 01:27 | First Quarter | 58% | 8.1 days | 391610 km |
| Dec 23 Sun | 13:13 | 02:36 | First Quarter | 68% | 9.1 days | 396178 km |
| Dec 24 Mon | 13:54 | 03:44 | Waxing Gibbous | 77% | 10.1 days | 399815 km |
| Dec 25 Tue | 14:41 | 04:51 | Waxing Gibbous | 86% | 11.1 days | 402493 km |
| Dec 26 Wed | 15:35 | 05:53 | Waxing Gibbous | 92% | 12.1 days | 404279 km |
| Dec 27 Thu | 16:32 | 06:48 | Waxing Gibbous | 97% | 13.1 days | 405287 km |
| Dec 28 Fri | 17:34 | 07:37 | Full Moon | 100% | 14.1 days | 405633 km |
| Dec 29 Sat | 18:35 | 08:17 | Waning Gibbous | 100% | 15.1 days | 405397 km |
| Dec 30 Sun | 19:36 | 08:52 | Waning Gibbous | 98% | 16.1 days | 404600 km |
| Dec 31 Mon | 20:35 | 09:23 | Waning Gibbous | 94% | 17.1 days | 403197 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.