Moon Phases in Boston
Moonrise, Moonset, Phase, Illumination and Age for May2013
Today's Moon
Calculated for 2026-02-03
- Moonrise
- 20:17
- Phase
- Full Moon
- Age of Moon
- 15.6 days
- Moonset
- 08:33
- Illumination
- 99%
- Next Full Moon
- 2026-03-03
Today's Sun
Calculated for 2026-02-03
- Sunrise
- 07:23
- Sunset
- 18:14
- Day Length
- 10h 50m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| May 1 Wed | 01:21 | 12:27 | Last Quarter | 67% | 20.6 days | 377415 km |
| May 2 Thu | 02:06 | 13:31 | Last Quarter | 56% | 21.6 days | 383447 km |
| May 3 Fri | 02:47 | 14:32 | Last Quarter | 46% | 22.6 days | 389135 km |
| May 4 Sat | 03:25 | 15:32 | Last Quarter | 35% | 23.6 days | 394158 km |
| May 5 Sun | 04:00 | 16:29 | Waning Crescent | 26% | 24.6 days | 398318 km |
| May 6 Mon | 04:35 | 17:27 | Waning Crescent | 17% | 25.6 days | 401538 km |
| May 7 Tue | 05:11 | 18:23 | Waning Crescent | 10% | 26.6 days | 403842 km |
| May 8 Wed | 05:47 | 19:19 | Waning Crescent | 4% | 27.6 days | 405323 km |
| May 9 Thu | 06:26 | 20:13 | New Moon | 1% | 28.6 days | 405696 km |
| May 10 Fri | 07:07 | 21:06 | Waxing Crescent | 0% | 0 days | 405696 km |
| May 11 Sat | 07:51 | 21:57 | Waxing Crescent | 1% | 1 days | 405696 km |
| May 12 Sun | 08:38 | 22:45 | Waxing Crescent | 5% | 2 days | 404738 km |
| May 13 Mon | 09:28 | 23:30 | Waxing Crescent | 10% | 3 days | 402979 km |
| May 14 Tue | 10:18 | - | Waxing Crescent | 17% | 4 days | 400419 km |
| May 15 Wed | 11:11 | 00:11 | Waxing Crescent | 26% | 5 days | 396981 km |
| May 16 Thu | 12:05 | 00:50 | First Quarter | 36% | 6 days | 392653 km |
| May 17 Fri | 12:59 | 01:26 | First Quarter | 46% | 7 days | 387531 km |
| May 18 Sat | 13:54 | 02:01 | First Quarter | 57% | 8 days | 381827 km |
| May 19 Sun | 14:51 | 02:35 | First Quarter | 67% | 9 days | 375872 km |
| May 20 Mon | 15:50 | 03:11 | Waxing Gibbous | 77% | 10 days | 370082 km |
| May 21 Tue | 16:52 | 03:48 | Waxing Gibbous | 85% | 11 days | 364919 km |
| May 22 Wed | 17:56 | 04:27 | Waxing Gibbous | 92% | 12 days | 363104 km |
| May 23 Thu | 19:03 | 05:12 | Waxing Gibbous | 97% | 13 days | 363104 km |
| May 24 Fri | 20:11 | 06:02 | Full Moon | 99% | 14 days | 363104 km |
| May 25 Sat | 21:17 | 06:59 | Waning Gibbous | 100% | 15 days | 363104 km |
| May 26 Sun | 22:18 | 08:01 | Waning Gibbous | 98% | 16 days | 363104 km |
| May 27 Mon | 23:13 | 09:07 | Waning Gibbous | 94% | 17 days | 365216 km |
| May 28 Tue | - | 10:14 | Waning Gibbous | 88% | 18 days | 370700 km |
| May 29 Wed | 00:02 | 11:21 | Waning Gibbous | 81% | 19 days | 376928 km |
| May 30 Thu | 00:46 | 12:24 | Waning Gibbous | 72% | 20 days | 383393 km |
| May 31 Fri | 01:26 | 13:26 | Last Quarter | 62% | 21 days | 389599 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.