Moon Phases in Boston
Moonrise, Moonset, Phase, Illumination and Age for December2087
Today's Moon
Calculated for 2026-05-11
- Moonrise
- 03:05
- Phase
- Last Quarter
- Age of Moon
- 23.9 days
- Moonset
- 13:49
- Illumination
- 32%
- Next Full Moon
- 2026-05-31
Today's Sun
Calculated for 2026-05-11
- Sunrise
- 05:06
- Sunset
- 20:46
- Day Length
- 15h 40m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Mon | 11:31 | 22:06 | First Quarter | 34% | 5.8 days | 387403 km |
| Dec 2 Tue | 11:54 | 23:18 | First Quarter | 44% | 6.8 days | 393060 km |
| Dec 3 Wed | 12:16 | - | First Quarter | 55% | 7.8 days | 397829 km |
| Dec 4 Thu | 12:39 | 00:32 | First Quarter | 65% | 8.8 days | 401479 km |
| Dec 5 Fri | 13:03 | 01:49 | Waxing Gibbous | 75% | 9.8 days | 403923 km |
| Dec 6 Sat | 13:32 | 03:08 | Waxing Gibbous | 83% | 10.8 days | 405195 km |
| Dec 7 Sun | 14:05 | 04:29 | Waxing Gibbous | 90% | 11.8 days | 405428 km |
| Dec 8 Mon | 14:48 | 05:51 | Waxing Gibbous | 96% | 12.8 days | 404802 km |
| Dec 9 Tue | 15:42 | 07:06 | Waxing Gibbous | 99% | 13.8 days | 403501 km |
| Dec 10 Wed | 16:46 | 08:12 | Full Moon | 100% | 14.8 days | 401679 km |
| Dec 11 Thu | 18:00 | 09:07 | Waning Gibbous | 99% | 15.8 days | 399429 km |
| Dec 12 Fri | 19:17 | 09:49 | Waning Gibbous | 95% | 16.8 days | 396791 km |
| Dec 13 Sat | 20:35 | 10:22 | Waning Gibbous | 90% | 17.8 days | 393762 km |
| Dec 14 Sun | 21:51 | 10:50 | Waning Gibbous | 83% | 18.8 days | 390329 km |
| Dec 15 Mon | 23:03 | 11:14 | Waning Gibbous | 74% | 19.8 days | 386505 km |
| Dec 16 Tue | - | 11:35 | Last Quarter | 64% | 20.8 days | 382359 km |
| Dec 17 Wed | 00:13 | 11:56 | Last Quarter | 53% | 21.8 days | 378032 km |
| Dec 18 Thu | 01:22 | 12:17 | Last Quarter | 43% | 22.8 days | 373742 km |
| Dec 19 Fri | 02:28 | 12:40 | Last Quarter | 33% | 23.8 days | 369771 km |
| Dec 20 Sat | 03:33 | 13:06 | Waning Crescent | 23% | 24.8 days | 366429 km |
| Dec 21 Sun | 04:35 | 13:36 | Waning Crescent | 15% | 25.8 days | 364026 km |
| Dec 22 Mon | 05:36 | 14:11 | Waning Crescent | 8% | 26.8 days | 363104 km |
| Dec 23 Tue | 06:30 | 14:54 | Waning Crescent | 3% | 27.8 days | 363104 km |
| Dec 24 Wed | 07:20 | 15:44 | New Moon | 1% | 28.8 days | 364647 km |
| Dec 25 Thu | 08:03 | 16:40 | Waxing Crescent | 0% | 0.3 days | 367683 km |
| Dec 26 Fri | 08:39 | 17:42 | Waxing Crescent | 2% | 1.3 days | 371929 km |
| Dec 27 Sat | 09:10 | 18:48 | Waxing Crescent | 6% | 2.3 days | 377078 km |
| Dec 28 Sun | 09:37 | 19:57 | Waxing Crescent | 12% | 3.3 days | 382735 km |
| Dec 29 Mon | 10:01 | 21:07 | Waxing Crescent | 19% | 4.3 days | 388453 km |
| Dec 30 Tue | 10:23 | 22:19 | Waxing Crescent | 28% | 5.3 days | 393781 km |
| Dec 31 Wed | 10:45 | 23:33 | First Quarter | 38% | 6.3 days | 398319 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.