Moon Phases in San Mateo
Moonrise, Moonset, Phase, Illumination and Age for December1957
Today's Moon
Calculated for 2026-02-14
- Moonrise
- 03:50
- Phase
- Waning Crescent
- Age of Moon
- 26.6 days
- Moonset
- 15:49
- Illumination
- 10%
- Next Full Moon
- 2026-03-03
Today's Sun
Calculated for 2026-02-14
- Sunrise
- 06:05
- Sunset
- 18:03
- Day Length
- 11h 57m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Sun | 13:25 | 01:06 | First Quarter | 67% | 9 days | 402310 km |
| Dec 2 Mon | 14:06 | 01:51 | Waxing Gibbous | 76% | 10 days | 404408 km |
| Dec 3 Tue | 14:49 | 02:36 | Waxing Gibbous | 85% | 11 days | 405348 km |
| Dec 4 Wed | 15:36 | 03:25 | Waxing Gibbous | 92% | 12 days | 405279 km |
| Dec 5 Thu | 16:24 | 04:14 | Waxing Gibbous | 97% | 13 days | 404391 km |
| Dec 6 Fri | 17:17 | 05:07 | Full Moon | 99% | 14 days | 402869 km |
| Dec 7 Sat | 18:11 | 06:02 | Waning Gibbous | 100% | 15 days | 400858 km |
| Dec 8 Sun | 19:08 | 06:57 | Waning Gibbous | 98% | 16 days | 398448 km |
| Dec 9 Mon | 20:04 | 07:52 | Waning Gibbous | 94% | 17 days | 395672 km |
| Dec 10 Tue | 21:00 | 08:45 | Waning Gibbous | 89% | 18 days | 392528 km |
| Dec 11 Wed | 21:55 | 09:37 | Waning Gibbous | 81% | 19 days | 389010 km |
| Dec 12 Thu | 22:49 | 10:27 | Waning Gibbous | 72% | 20 days | 385145 km |
| Dec 13 Fri | 23:42 | 11:17 | Last Quarter | 62% | 21 days | 381013 km |
| Dec 14 Sat | - | 12:05 | Last Quarter | 52% | 22 days | 376772 km |
| Dec 15 Sun | 00:35 | 12:54 | Last Quarter | 41% | 23 days | 372648 km |
| Dec 16 Mon | 01:30 | 13:45 | Waning Crescent | 31% | 24 days | 368922 km |
| Dec 17 Tue | 02:24 | 14:37 | Waning Crescent | 21% | 25 days | 365900 km |
| Dec 18 Wed | 03:21 | 15:31 | Waning Crescent | 13% | 26 days | 363874 km |
| Dec 19 Thu | 04:17 | 16:25 | Waning Crescent | 7% | 27 days | 363104 km |
| Dec 20 Fri | 05:14 | 17:21 | Waning Crescent | 3% | 28 days | 363676 km |
| Dec 21 Sat | 06:08 | 18:15 | New Moon | 0% | 29 days | 365696 km |
| Dec 22 Sun | 07:00 | 19:08 | Waxing Crescent | 0% | 0.5 days | 369053 km |
| Dec 23 Mon | 07:49 | 19:58 | Waxing Crescent | 2% | 1.5 days | 373533 km |
| Dec 24 Tue | 08:35 | 20:46 | Waxing Crescent | 7% | 2.5 days | 378810 km |
| Dec 25 Wed | 09:19 | 21:32 | Waxing Crescent | 13% | 3.5 days | 384476 km |
| Dec 26 Thu | 10:00 | 22:16 | Waxing Crescent | 21% | 4.5 days | 390083 km |
| Dec 27 Fri | 10:40 | 23:00 | Waxing Crescent | 30% | 5.5 days | 395193 km |
| Dec 28 Sat | 11:21 | 23:44 | First Quarter | 40% | 6.5 days | 399424 km |
| Dec 29 Sun | 12:01 | - | First Quarter | 51% | 7.5 days | 402494 km |
| Dec 30 Mon | 12:43 | 00:29 | First Quarter | 62% | 8.5 days | 404245 km |
| Dec 31 Tue | 13:27 | 01:15 | Waxing Gibbous | 72% | 9.5 days | 404658 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.