Moon Phases in San Juan
Moonrise, Moonset, Phase, Illumination and Age for December1947
Today's Moon
Calculated for 2026-05-12
- Moonrise
- 02:29
- Phase
- Waning Crescent
- Age of Moon
- 24.4 days
- Moonset
- 14:48
- Illumination
- 27%
- Next Full Moon
- 2026-05-31
Today's Sun
Calculated for 2026-05-12
- Sunrise
- 05:50
- Sunset
- 18:50
- Day Length
- 13h 0m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Mon | 21:19 | 10:02 | Waning Gibbous | 90% | 17.8 days | 368343 km |
| Dec 2 Tue | 22:24 | 11:00 | Waning Gibbous | 83% | 18.8 days | 374235 km |
| Dec 3 Wed | 23:27 | 11:50 | Waning Gibbous | 74% | 19.8 days | 380554 km |
| Dec 4 Thu | - | 12:34 | Last Quarter | 64% | 20.8 days | 386804 km |
| Dec 5 Fri | 00:26 | 13:15 | Last Quarter | 54% | 21.8 days | 392535 km |
| Dec 6 Sat | 01:23 | 13:53 | Last Quarter | 43% | 22.8 days | 397399 km |
| Dec 7 Sun | 02:17 | 14:29 | Last Quarter | 33% | 23.8 days | 401174 km |
| Dec 8 Mon | 03:11 | 15:06 | Waning Crescent | 23% | 24.8 days | 403778 km |
| Dec 9 Tue | 04:04 | 15:45 | Waning Crescent | 15% | 25.8 days | 405250 km |
| Dec 10 Wed | 04:58 | 16:25 | Waning Crescent | 8% | 26.8 days | 405696 km |
| Dec 11 Thu | 05:54 | 17:10 | Waning Crescent | 3% | 27.8 days | 405347 km |
| Dec 12 Fri | 06:49 | 17:57 | New Moon | 1% | 28.8 days | 404310 km |
| Dec 13 Sat | 07:44 | 18:48 | Waxing Crescent | 0% | 0.3 days | 402733 km |
| Dec 14 Sun | 08:35 | 19:40 | Waxing Crescent | 2% | 1.3 days | 400685 km |
| Dec 15 Mon | 09:24 | 20:33 | Waxing Crescent | 6% | 2.3 days | 398178 km |
| Dec 16 Tue | 10:08 | 21:26 | Waxing Crescent | 12% | 3.3 days | 395190 km |
| Dec 17 Wed | 10:49 | 22:16 | Waxing Crescent | 19% | 4.3 days | 391696 km |
| Dec 18 Thu | 11:26 | 23:06 | Waxing Crescent | 28% | 5.3 days | 387705 km |
| Dec 19 Fri | 12:01 | 23:56 | First Quarter | 38% | 6.3 days | 383294 km |
| Dec 20 Sat | 12:35 | - | First Quarter | 49% | 7.3 days | 378625 km |
| Dec 21 Sun | 13:09 | 00:44 | First Quarter | 59% | 8.3 days | 373944 km |
| Dec 22 Mon | 13:44 | 01:35 | Waxing Gibbous | 70% | 9.3 days | 369564 km |
| Dec 23 Tue | 14:21 | 02:27 | Waxing Gibbous | 79% | 10.3 days | 365832 km |
| Dec 24 Wed | 15:04 | 03:24 | Waxing Gibbous | 87% | 11.3 days | 363104 km |
| Dec 25 Thu | 15:52 | 04:24 | Waxing Gibbous | 93% | 12.3 days | 363104 km |
| Dec 26 Fri | 16:48 | 05:30 | Waxing Gibbous | 97% | 13.3 days | 363104 km |
| Dec 27 Sat | 17:51 | 06:37 | Full Moon | 100% | 14.3 days | 363174 km |
| Dec 28 Sun | 18:59 | 07:44 | Waning Gibbous | 100% | 15.3 days | 366212 km |
| Dec 29 Mon | 20:08 | 08:46 | Waning Gibbous | 97% | 16.3 days | 370535 km |
| Dec 30 Tue | 21:15 | 09:42 | Waning Gibbous | 93% | 17.3 days | 375820 km |
| Dec 31 Wed | 22:17 | 10:30 | Waning Gibbous | 87% | 18.3 days | 381650 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.