Moon Phases in San Francisco
Moonrise, Moonset, Phase, Illumination and Age for December1921
Today's Moon
Calculated for 2026-07-20
- Moonrise
- 11:49
- Phase
- Waxing Crescent
- Age of Moon
- 5.2 days
- Moonset
- 00:14
- Illumination
- 27%
- Next Full Moon
- 2026-07-29
Today's Sun
Calculated for 2026-07-20
- Sunrise
- 08:02
- Sunset
- 18:27
- Day Length
- 10h 25m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Thu | 06:47 | 20:48 | Waxing Crescent | 1% | 1.1 days | 372072 km |
| Dec 2 Fri | 07:40 | 21:33 | Waxing Crescent | 5% | 2.1 days | 377118 km |
| Dec 3 Sat | 08:33 | 22:14 | Waxing Crescent | 11% | 3.1 days | 382692 km |
| Dec 4 Sun | 09:26 | 22:52 | Waxing Crescent | 18% | 4.1 days | 388355 km |
| Dec 5 Mon | 10:18 | 23:27 | Waxing Crescent | 27% | 5.1 days | 393663 km |
| Dec 6 Tue | 11:11 | - | First Quarter | 37% | 6.1 days | 398210 km |
| Dec 7 Wed | 12:03 | 00:01 | First Quarter | 47% | 7.1 days | 401676 km |
| Dec 8 Thu | 12:56 | 00:33 | First Quarter | 58% | 8.1 days | 403859 km |
| Dec 9 Fri | 13:50 | 01:07 | First Quarter | 68% | 9.1 days | 404691 km |
| Dec 10 Sat | 14:45 | 01:41 | Waxing Gibbous | 77% | 10.1 days | 404236 km |
| Dec 11 Sun | 15:42 | 02:18 | Waxing Gibbous | 86% | 11.1 days | 402663 km |
| Dec 12 Mon | 16:41 | 02:59 | Waxing Gibbous | 92% | 12.1 days | 400213 km |
| Dec 13 Tue | 17:42 | 03:44 | Waxing Gibbous | 97% | 13.1 days | 397155 km |
| Dec 14 Wed | 18:42 | 04:35 | Full Moon | 100% | 14.1 days | 393750 km |
| Dec 15 Thu | 19:41 | 05:31 | Waning Gibbous | 100% | 15.1 days | 390219 km |
| Dec 16 Fri | 20:35 | 06:32 | Waning Gibbous | 98% | 16.1 days | 386728 km |
| Dec 17 Sat | 21:26 | 07:37 | Waning Gibbous | 94% | 17.1 days | 383390 km |
| Dec 18 Sun | 22:13 | 08:42 | Waning Gibbous | 88% | 18.1 days | 380277 km |
| Dec 19 Mon | 22:56 | 09:48 | Waning Gibbous | 80% | 19.1 days | 377436 km |
| Dec 20 Tue | 23:37 | 10:53 | Waning Gibbous | 71% | 20.1 days | 374910 km |
| Dec 21 Wed | - | 11:56 | Last Quarter | 61% | 21.1 days | 372752 km |
| Dec 22 Thu | 00:15 | 12:58 | Last Quarter | 50% | 22.1 days | 371033 km |
| Dec 23 Fri | 00:55 | 14:00 | Last Quarter | 40% | 23.1 days | 369843 km |
| Dec 24 Sat | 01:35 | 15:00 | Waning Crescent | 30% | 24.1 days | 369281 km |
| Dec 25 Sun | 02:17 | 15:59 | Waning Crescent | 20% | 25.1 days | 369446 km |
| Dec 26 Mon | 03:02 | 16:56 | Waning Crescent | 13% | 26.1 days | 370420 km |
| Dec 27 Tue | 03:49 | 17:50 | Waning Crescent | 6% | 27.1 days | 372247 km |
| Dec 28 Wed | 04:39 | 18:41 | Waning Crescent | 2% | 28.1 days | 374922 km |
| Dec 29 Thu | 05:31 | 19:28 | New Moon | 0% | 29.1 days | 378370 km |
| Dec 30 Fri | 06:23 | 20:11 | Waxing Crescent | 0% | 0.6 days | 382443 km |
| Dec 31 Sat | 07:17 | 20:50 | Waxing Crescent | 3% | 1.6 days | 386912 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.