Moon Phases in San Juan
Moonrise, Moonset, Phase, Illumination and Age for December1997
Today's Moon
Calculated for 2026-05-06
- Moonrise
- 23:14
- Phase
- Waning Gibbous
- Age of Moon
- 18.6 days
- Moonset
- 09:27
- Illumination
- 85%
- Next Full Moon
- 2026-05-31
Today's Sun
Calculated for 2026-05-06
- Sunrise
- 05:53
- Sunset
- 18:48
- Day Length
- 12h 55m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Mon | 07:53 | 19:26 | Waxing Crescent | 2% | 1.4 days | 385600 km |
| Dec 2 Tue | 08:47 | 20:20 | Waxing Crescent | 6% | 2.4 days | 390214 km |
| Dec 3 Wed | 09:41 | 21:18 | Waxing Crescent | 12% | 3.4 days | 394679 km |
| Dec 4 Thu | 10:31 | 22:16 | Waxing Crescent | 20% | 4.4 days | 398638 km |
| Dec 5 Fri | 11:21 | 23:14 | Waxing Crescent | 29% | 5.4 days | 401748 km |
| Dec 6 Sat | 12:07 | - | First Quarter | 39% | 6.4 days | 403726 km |
| Dec 7 Sun | 12:53 | 00:12 | First Quarter | 50% | 7.4 days | 404384 km |
| Dec 8 Mon | 13:39 | 01:10 | First Quarter | 60% | 8.4 days | 403656 km |
| Dec 9 Tue | 14:24 | 02:08 | Waxing Gibbous | 70% | 9.4 days | 401605 km |
| Dec 10 Wed | 15:11 | 03:07 | Waxing Gibbous | 80% | 10.4 days | 398419 km |
| Dec 11 Thu | 16:00 | 04:07 | Waxing Gibbous | 87% | 11.4 days | 394384 km |
| Dec 12 Fri | 16:51 | 05:07 | Waxing Gibbous | 94% | 12.4 days | 389844 km |
| Dec 13 Sat | 17:45 | 06:06 | Waxing Gibbous | 98% | 13.4 days | 385163 km |
| Dec 14 Sun | 18:39 | 07:04 | Full Moon | 100% | 14.4 days | 380684 km |
| Dec 15 Mon | 19:34 | 07:58 | Waning Gibbous | 100% | 15.4 days | 376699 km |
| Dec 16 Tue | 20:28 | 08:50 | Waning Gibbous | 97% | 16.4 days | 373424 km |
| Dec 17 Wed | 21:21 | 09:37 | Waning Gibbous | 93% | 17.4 days | 370997 km |
| Dec 18 Thu | 22:11 | 10:21 | Waning Gibbous | 86% | 18.4 days | 369474 km |
| Dec 19 Fri | 23:01 | 11:02 | Waning Gibbous | 78% | 19.4 days | 368845 km |
| Dec 20 Sat | 23:49 | 11:40 | Last Quarter | 69% | 20.4 days | 369044 km |
| Dec 21 Sun | - | 12:17 | Last Quarter | 58% | 21.4 days | 369970 km |
| Dec 22 Mon | 00:36 | 12:54 | Last Quarter | 48% | 22.4 days | 371506 km |
| Dec 23 Tue | 01:24 | 13:32 | Last Quarter | 37% | 23.4 days | 373537 km |
| Dec 24 Wed | 02:12 | 14:10 | Waning Crescent | 27% | 24.4 days | 375963 km |
| Dec 25 Thu | 03:02 | 14:51 | Waning Crescent | 18% | 25.4 days | 378703 km |
| Dec 26 Fri | 03:54 | 15:36 | Waning Crescent | 11% | 26.4 days | 381701 km |
| Dec 27 Sat | 04:47 | 16:23 | Waning Crescent | 5% | 27.4 days | 384912 km |
| Dec 28 Sun | 05:42 | 17:15 | Waning Crescent | 2% | 28.4 days | 388286 km |
| Dec 29 Mon | 06:37 | 18:10 | New Moon | 0% | 29.4 days | 391751 km |
| Dec 30 Tue | 07:33 | 19:08 | Waxing Crescent | 1% | 0.8 days | 395191 km |
| Dec 31 Wed | 08:26 | 20:08 | Waxing Crescent | 4% | 1.8 days | 398434 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.