Moon Phases in San Mateo
Moonrise, Moonset, Phase, Illumination and Age for December2056
Today's Moon
Calculated for 2026-08-01
- Moonrise
- 20:28
- Phase
- Waning Gibbous
- Age of Moon
- 17.4 days
- Moonset
- 08:02
- Illumination
- 93%
- Next Full Moon
- 2026-08-27
Today's Sun
Calculated for 2026-08-01
- Sunrise
- 05:43
- Sunset
- 18:09
- Day Length
- 12h 25m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Fri | 00:40 | 13:10 | Last Quarter | 35% | 23.6 days | 384863 km |
| Dec 2 Sat | 01:33 | 13:57 | Waning Crescent | 25% | 24.6 days | 389191 km |
| Dec 3 Sun | 02:25 | 14:46 | Waning Crescent | 17% | 25.6 days | 393049 km |
| Dec 4 Mon | 03:21 | 15:38 | Waning Crescent | 10% | 26.6 days | 396384 km |
| Dec 5 Tue | 04:19 | 16:33 | Waning Crescent | 4% | 27.6 days | 399204 km |
| Dec 6 Wed | 05:21 | 17:32 | New Moon | 1% | 28.6 days | 401542 km |
| Dec 7 Thu | 06:25 | 18:34 | Waxing Crescent | 0% | 0 days | 403416 km |
| Dec 8 Fri | 07:30 | 19:38 | Waxing Crescent | 1% | 1 days | 404800 km |
| Dec 9 Sat | 08:31 | 20:39 | Waxing Crescent | 5% | 2 days | 405610 km |
| Dec 10 Sun | 09:30 | 21:38 | Waxing Crescent | 10% | 3 days | 405696 km |
| Dec 11 Mon | 10:22 | 22:31 | Waxing Crescent | 17% | 4 days | 404909 km |
| Dec 12 Tue | 11:10 | 23:22 | Waxing Crescent | 26% | 5 days | 403065 km |
| Dec 13 Wed | 11:55 | - | First Quarter | 36% | 6 days | 400069 km |
| Dec 14 Thu | 12:36 | 00:09 | First Quarter | 46% | 7 days | 395918 km |
| Dec 15 Fri | 13:16 | 00:54 | First Quarter | 57% | 8 days | 390738 km |
| Dec 16 Sat | 13:55 | 01:38 | First Quarter | 67% | 9 days | 384793 km |
| Dec 17 Sun | 14:35 | 02:21 | Waxing Gibbous | 77% | 10 days | 378469 km |
| Dec 18 Mon | 15:16 | 03:06 | Waxing Gibbous | 85% | 11 days | 372234 km |
| Dec 19 Tue | 15:59 | 03:52 | Waxing Gibbous | 92% | 12 days | 366591 km |
| Dec 20 Wed | 16:45 | 04:39 | Waxing Gibbous | 97% | 13 days | 363104 km |
| Dec 21 Thu | 17:33 | 05:28 | Full Moon | 99% | 14 days | 363104 km |
| Dec 22 Fri | 18:22 | 06:18 | Waning Gibbous | 100% | 15 days | 363104 km |
| Dec 23 Sat | 19:13 | 07:09 | Waning Gibbous | 98% | 16 days | 363104 km |
| Dec 24 Sun | 20:05 | 07:59 | Waning Gibbous | 94% | 17 days | 363104 km |
| Dec 25 Mon | 20:56 | 08:48 | Waning Gibbous | 88% | 18 days | 363985 km |
| Dec 26 Tue | 21:47 | 09:36 | Waning Gibbous | 81% | 19 days | 368954 km |
| Dec 27 Wed | 22:36 | 10:21 | Waning Gibbous | 72% | 20 days | 374676 km |
| Dec 28 Thu | 23:26 | 11:07 | Last Quarter | 62% | 21 days | 380681 km |
| Dec 29 Fri | - | 11:52 | Last Quarter | 51% | 22 days | 386524 km |
| Dec 30 Sat | 00:16 | 12:38 | Last Quarter | 41% | 23 days | 391837 km |
| Dec 31 Sun | 01:09 | 13:26 | Waning Crescent | 30% | 24 days | 396363 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.