Moon Phases in San Juan
Moonrise, Moonset, Phase, Illumination and Age for December1955
Today's Moon
Calculated for 2026-05-11
- Moonrise
- 01:54
- Phase
- Last Quarter
- Age of Moon
- 23.3 days
- Moonset
- 13:54
- Illumination
- 37%
- Next Full Moon
- 2026-05-31
Today's Sun
Calculated for 2026-05-11
- Sunrise
- 05:50
- Sunset
- 18:50
- Day Length
- 12h 59m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Thu | 20:04 | 08:34 | Waning Gibbous | 97% | 16.3 days | 405665 km |
| Dec 2 Fri | 21:09 | 09:32 | Waning Gibbous | 93% | 17.3 days | 405086 km |
| Dec 3 Sat | 22:11 | 10:23 | Waning Gibbous | 87% | 18.3 days | 403727 km |
| Dec 4 Sun | 23:10 | 11:10 | Waning Gibbous | 79% | 19.3 days | 401456 km |
| Dec 5 Mon | - | 11:52 | Waning Gibbous | 69% | 20.3 days | 398183 km |
| Dec 6 Tue | 00:06 | 12:31 | Last Quarter | 59% | 21.3 days | 393902 km |
| Dec 7 Wed | 01:00 | 13:10 | Last Quarter | 49% | 22.3 days | 388723 km |
| Dec 8 Thu | 01:52 | 13:49 | Last Quarter | 38% | 23.3 days | 382888 km |
| Dec 9 Fri | 02:43 | 14:28 | Waning Crescent | 28% | 24.3 days | 376757 km |
| Dec 10 Sat | 03:36 | 15:09 | Waning Crescent | 19% | 25.3 days | 370777 km |
| Dec 11 Sun | 04:27 | 15:52 | Waning Crescent | 12% | 26.3 days | 365429 km |
| Dec 12 Mon | 05:19 | 16:38 | Waning Crescent | 6% | 27.3 days | 363104 km |
| Dec 13 Tue | 06:09 | 17:26 | Waning Crescent | 2% | 28.3 days | 363104 km |
| Dec 14 Wed | 06:59 | 18:16 | New Moon | 0% | 29.3 days | 363104 km |
| Dec 15 Thu | 07:46 | 19:07 | Waxing Crescent | 1% | 0.7 days | 363104 km |
| Dec 16 Fri | 08:29 | 19:57 | Waxing Crescent | 3% | 1.7 days | 363104 km |
| Dec 17 Sat | 09:11 | 20:47 | Waxing Crescent | 8% | 2.7 days | 364958 km |
| Dec 18 Sun | 09:50 | 21:38 | Waxing Crescent | 15% | 3.7 days | 370283 km |
| Dec 19 Mon | 10:27 | 22:27 | Waxing Crescent | 23% | 4.7 days | 376325 km |
| Dec 20 Tue | 11:04 | 23:17 | First Quarter | 33% | 5.7 days | 382588 km |
| Dec 21 Wed | 11:41 | - | First Quarter | 43% | 6.7 days | 388598 km |
| Dec 22 Thu | 12:19 | 00:08 | First Quarter | 54% | 7.7 days | 393959 km |
| Dec 23 Fri | 13:00 | 01:01 | First Quarter | 64% | 8.7 days | 398389 km |
| Dec 24 Sat | 13:45 | 01:58 | Waxing Gibbous | 74% | 9.7 days | 401738 km |
| Dec 25 Sun | 14:34 | 02:58 | Waxing Gibbous | 83% | 10.7 days | 403989 km |
| Dec 26 Mon | 15:31 | 04:01 | Waxing Gibbous | 90% | 11.7 days | 405223 km |
| Dec 27 Tue | 16:33 | 05:07 | Waxing Gibbous | 95% | 12.7 days | 405585 km |
| Dec 28 Wed | 17:39 | 06:11 | Waxing Gibbous | 99% | 13.7 days | 405229 km |
| Dec 29 Thu | 18:47 | 07:13 | Full Moon | 100% | 14.7 days | 404284 km |
| Dec 30 Fri | 19:53 | 08:09 | Waning Gibbous | 99% | 15.7 days | 402820 km |
| Dec 31 Sat | 20:55 | 09:00 | Waning Gibbous | 96% | 16.7 days | 400847 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.