Moon Phases in San Mateo
Moonrise, Moonset, Phase, Illumination and Age for December2003
Today's Moon
Calculated for 2026-02-05
- Moonrise
- 21:17
- Phase
- Waning Gibbous
- Age of Moon
- 17.3 days
- Moonset
- 08:50
- Illumination
- 93%
- Next Full Moon
- 2026-03-03
Today's Sun
Calculated for 2026-02-05
- Sunrise
- 06:06
- Sunset
- 18:01
- Day Length
- 11h 54m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Mon | 12:48 | 00:16 | First Quarter | 47% | 7.1 days | 384090 km |
| Dec 2 Tue | 13:27 | 01:02 | First Quarter | 58% | 8.1 days | 378661 km |
| Dec 3 Wed | 14:05 | 01:46 | First Quarter | 68% | 9.1 days | 373202 km |
| Dec 4 Thu | 14:42 | 02:28 | Waxing Gibbous | 77% | 10.1 days | 368112 km |
| Dec 5 Fri | 15:22 | 03:12 | Waxing Gibbous | 86% | 11.1 days | 363813 km |
| Dec 6 Sat | 16:03 | 03:56 | Waxing Gibbous | 92% | 12.1 days | 363104 km |
| Dec 7 Sun | 16:46 | 04:43 | Waxing Gibbous | 97% | 13.1 days | 363104 km |
| Dec 8 Mon | 17:33 | 05:32 | Full Moon | 100% | 14.1 days | 363104 km |
| Dec 9 Tue | 18:22 | 06:22 | Waning Gibbous | 100% | 15.1 days | 363104 km |
| Dec 10 Wed | 19:14 | 07:14 | Waning Gibbous | 98% | 16.1 days | 364347 km |
| Dec 11 Thu | 20:06 | 08:05 | Waning Gibbous | 94% | 17.1 days | 369101 km |
| Dec 12 Fri | 20:59 | 08:56 | Waning Gibbous | 88% | 18.1 days | 374809 km |
| Dec 13 Sat | 21:50 | 09:44 | Waning Gibbous | 80% | 19.1 days | 381004 km |
| Dec 14 Sun | 22:39 | 10:30 | Waning Gibbous | 71% | 20.1 days | 387190 km |
| Dec 15 Mon | 23:28 | 11:14 | Last Quarter | 61% | 21.1 days | 392901 km |
| Dec 16 Tue | - | 11:57 | Last Quarter | 51% | 22.1 days | 397755 km |
| Dec 17 Wed | 00:16 | 12:40 | Last Quarter | 40% | 23.1 days | 401487 km |
| Dec 18 Thu | 01:06 | 13:25 | Waning Crescent | 30% | 24.1 days | 403970 km |
| Dec 19 Fri | 01:58 | 14:12 | Waning Crescent | 21% | 25.1 days | 405212 km |
| Dec 20 Sat | 02:54 | 15:05 | Waning Crescent | 13% | 26.1 days | 405327 km |
| Dec 21 Sun | 03:54 | 16:02 | Waning Crescent | 7% | 27.1 days | 404501 km |
| Dec 22 Mon | 04:59 | 17:05 | Waning Crescent | 2% | 28.1 days | 402940 km |
| Dec 23 Tue | 06:06 | 18:11 | New Moon | 0% | 29.1 days | 400835 km |
| Dec 24 Wed | 07:12 | 19:17 | Waxing Crescent | 0% | 0.6 days | 398328 km |
| Dec 25 Thu | 08:13 | 20:19 | Waxing Crescent | 3% | 1.6 days | 395506 km |
| Dec 26 Fri | 09:09 | 21:16 | Waxing Crescent | 7% | 2.6 days | 392407 km |
| Dec 27 Sat | 09:59 | 22:08 | Waxing Crescent | 14% | 3.6 days | 389044 km |
| Dec 28 Sun | 10:43 | 22:57 | Waxing Crescent | 22% | 4.6 days | 385435 km |
| Dec 29 Mon | 11:24 | 23:42 | First Quarter | 31% | 5.6 days | 381631 km |
| Dec 30 Tue | 12:03 | - | First Quarter | 41% | 6.6 days | 377741 km |
| Dec 31 Wed | 12:41 | 00:25 | First Quarter | 52% | 7.6 days | 373935 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.