Moon Phases in San Juan
Moonrise, Moonset, Phase, Illumination and Age for May1939
Today's Moon
Calculated for 2026-05-13
- Moonrise
- 03:06
- Phase
- Waning Crescent
- Age of Moon
- 25.6 days
- Moonset
- 15:44
- Illumination
- 17%
- Next Full Moon
- 2026-05-31
Today's Sun
Calculated for 2026-05-13
- Sunrise
- 05:50
- Sunset
- 18:51
- Day Length
- 13h 1m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| May 1 Mon | 17:05 | 04:16 | Waxing Gibbous | 92% | 12 days | 363104 km |
| May 2 Tue | 18:03 | 05:02 | Waxing Gibbous | 97% | 13 days | 363104 km |
| May 3 Wed | 19:01 | 05:50 | Full Moon | 99% | 14 days | 363104 km |
| May 4 Thu | 19:57 | 06:38 | Waning Gibbous | 100% | 15 days | 363104 km |
| May 5 Fri | 20:51 | 07:29 | Waning Gibbous | 98% | 16 days | 363104 km |
| May 6 Sat | 21:43 | 08:19 | Waning Gibbous | 94% | 17 days | 363104 km |
| May 7 Sun | 22:31 | 09:11 | Waning Gibbous | 88% | 18 days | 366891 km |
| May 8 Mon | 23:16 | 10:02 | Waning Gibbous | 81% | 19 days | 372724 km |
| May 9 Tue | 23:58 | 10:52 | Waning Gibbous | 72% | 20 days | 379053 km |
| May 10 Wed | - | 11:42 | Last Quarter | 62% | 21 days | 385380 km |
| May 11 Thu | 00:38 | 12:30 | Last Quarter | 51% | 22 days | 391258 km |
| May 12 Fri | 01:16 | 13:19 | Last Quarter | 41% | 23 days | 396337 km |
| May 13 Sat | 01:53 | 14:07 | Waning Crescent | 30% | 24 days | 400393 km |
| May 14 Sun | 02:30 | 14:56 | Waning Crescent | 21% | 25 days | 403341 km |
| May 15 Mon | 03:09 | 15:47 | Waning Crescent | 13% | 26 days | 405210 km |
| May 16 Tue | 03:49 | 16:40 | Waning Crescent | 7% | 27 days | 405696 km |
| May 17 Wed | 04:32 | 17:35 | Waning Crescent | 2% | 28 days | 405696 km |
| May 18 Thu | 05:19 | 18:32 | New Moon | 0% | 29 days | 405628 km |
| May 19 Fri | 06:10 | 19:31 | Waxing Crescent | 0% | 0.5 days | 404475 km |
| May 20 Sat | 07:05 | 20:30 | Waxing Crescent | 3% | 1.5 days | 402781 km |
| May 21 Sun | 08:04 | 21:27 | Waxing Crescent | 7% | 2.5 days | 400526 km |
| May 22 Mon | 09:05 | 22:21 | Waxing Crescent | 13% | 3.5 days | 397653 km |
| May 23 Tue | 10:06 | 23:13 | Waxing Crescent | 21% | 4.5 days | 394114 km |
| May 24 Wed | 11:06 | - | Waxing Crescent | 31% | 5.5 days | 389909 km |
| May 25 Thu | 12:05 | 00:01 | First Quarter | 41% | 6.5 days | 385118 km |
| May 26 Fri | 13:03 | 00:46 | First Quarter | 51% | 7.5 days | 379923 km |
| May 27 Sat | 14:00 | 01:31 | First Quarter | 62% | 8.5 days | 374605 km |
| May 28 Sun | 14:57 | 02:14 | Waxing Gibbous | 72% | 9.5 days | 369524 km |
| May 29 Mon | 15:54 | 02:58 | Waxing Gibbous | 81% | 10.5 days | 365082 km |
| May 30 Tue | 16:50 | 03:44 | Waxing Gibbous | 88% | 11.5 days | 363104 km |
| May 31 Wed | 17:47 | 04:31 | Waxing Gibbous | 94% | 12.5 days | 363104 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.