Moon Phases in Boston
Moonrise, Moonset, Phase, Illumination and Age for December2027
Today's Moon
Calculated for 2026-01-31
- Moonrise
- 16:56
- Phase
- Waxing Gibbous
- Age of Moon
- 12 days
- Moonset
- 06:36
- Illumination
- 91%
- Next Full Moon
- 2026-02-02
Today's Sun
Calculated for 2026-01-31
- Sunrise
- 07:25
- Sunset
- 18:11
- Day Length
- 10h 45m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Wed | 10:18 | 20:42 | Waxing Crescent | 7% | 2.5 days | 364385 km |
| Dec 2 Thu | 10:56 | 21:39 | Waxing Crescent | 13% | 3.5 days | 364574 km |
| Dec 3 Fri | 11:29 | 22:34 | Waxing Crescent | 21% | 4.5 days | 365962 km |
| Dec 4 Sat | 11:59 | 23:29 | Waxing Crescent | 31% | 5.5 days | 368353 km |
| Dec 5 Sun | 12:26 | - | First Quarter | 41% | 6.5 days | 371494 km |
| Dec 6 Mon | 12:53 | 00:22 | First Quarter | 51% | 7.5 days | 375117 km |
| Dec 7 Tue | 13:20 | 01:16 | First Quarter | 62% | 8.5 days | 378966 km |
| Dec 8 Wed | 13:49 | 02:11 | Waxing Gibbous | 72% | 9.5 days | 382832 km |
| Dec 9 Thu | 14:21 | 03:10 | Waxing Gibbous | 81% | 10.5 days | 386565 km |
| Dec 10 Fri | 14:58 | 04:10 | Waxing Gibbous | 89% | 11.5 days | 390078 km |
| Dec 11 Sat | 15:42 | 05:15 | Waxing Gibbous | 94% | 12.5 days | 393335 km |
| Dec 12 Sun | 16:34 | 06:21 | Waxing Gibbous | 98% | 13.5 days | 396326 km |
| Dec 13 Mon | 17:36 | 07:27 | Full Moon | 100% | 14.5 days | 399038 km |
| Dec 14 Tue | 18:43 | 08:28 | Waning Gibbous | 99% | 15.5 days | 401421 km |
| Dec 15 Wed | 19:55 | 09:22 | Waning Gibbous | 97% | 16.5 days | 403372 km |
| Dec 16 Thu | 21:06 | 10:08 | Waning Gibbous | 92% | 17.5 days | 404730 km |
| Dec 17 Fri | 22:15 | 10:49 | Waning Gibbous | 85% | 18.5 days | 405296 km |
| Dec 18 Sat | 23:21 | 11:24 | Waning Gibbous | 77% | 19.5 days | 404863 km |
| Dec 19 Sun | - | 11:57 | Last Quarter | 67% | 20.5 days | 403263 km |
| Dec 20 Mon | 00:25 | 12:29 | Last Quarter | 57% | 21.5 days | 400408 km |
| Dec 21 Tue | 01:29 | 13:01 | Last Quarter | 46% | 22.5 days | 396331 km |
| Dec 22 Wed | 02:31 | 13:36 | Last Quarter | 36% | 23.5 days | 391201 km |
| Dec 23 Thu | 03:35 | 14:14 | Waning Crescent | 26% | 24.5 days | 385322 km |
| Dec 24 Fri | 04:37 | 14:57 | Waning Crescent | 17% | 25.5 days | 379109 km |
| Dec 25 Sat | 05:39 | 15:45 | Waning Crescent | 10% | 26.5 days | 373041 km |
| Dec 26 Sun | 06:36 | 16:38 | Waning Crescent | 5% | 27.5 days | 367611 km |
| Dec 27 Mon | 07:29 | 17:35 | New Moon | 1% | 28.5 days | 363267 km |
| Dec 28 Tue | 08:14 | 18:32 | Waning Crescent | 0% | 29.5 days | 363104 km |
| Dec 29 Wed | 08:54 | 19:30 | Waxing Crescent | 1% | 1 days | 363104 km |
| Dec 30 Thu | 09:29 | 20:25 | Waxing Crescent | 4% | 2 days | 363104 km |
| Dec 31 Fri | 09:59 | 21:20 | Waxing Crescent | 10% | 3 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.