Moon Phases in Boston
Moonrise, Moonset, Phase, Illumination and Age for December1983
Today's Moon
Calculated for 2026-02-09
- Moonrise
- 01:07
- Phase
- Last Quarter
- Age of Moon
- 21.1 days
- Moonset
- 11:31
- Illumination
- 61%
- Next Full Moon
- 2026-03-03
Today's Sun
Calculated for 2026-02-09
- Sunrise
- 07:19
- Sunset
- 18:19
- Day Length
- 10h 59m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Thu | 04:11 | 15:49 | Waning Crescent | 16% | 25.7 days | 400434 km |
| Dec 2 Fri | 05:15 | 16:25 | Waning Crescent | 9% | 26.7 days | 402854 km |
| Dec 3 Sat | 06:18 | 17:04 | Waning Crescent | 4% | 27.7 days | 404511 km |
| Dec 4 Sun | 07:21 | 17:48 | New Moon | 1% | 28.7 days | 405502 km |
| Dec 5 Mon | 08:21 | 18:36 | Waxing Crescent | 0% | 0.2 days | 405696 km |
| Dec 6 Tue | 09:18 | 19:28 | Waxing Crescent | 2% | 1.2 days | 405696 km |
| Dec 7 Wed | 10:09 | 20:22 | Waxing Crescent | 5% | 2.2 days | 404918 km |
| Dec 8 Thu | 10:55 | 21:19 | Waxing Crescent | 11% | 3.2 days | 403393 km |
| Dec 9 Fri | 11:35 | 22:14 | Waxing Crescent | 18% | 4.2 days | 401030 km |
| Dec 10 Sat | 12:10 | 23:10 | Waxing Crescent | 27% | 5.2 days | 397743 km |
| Dec 11 Sun | 12:41 | - | First Quarter | 37% | 6.2 days | 393516 km |
| Dec 12 Mon | 13:11 | 00:04 | First Quarter | 48% | 7.2 days | 388443 km |
| Dec 13 Tue | 13:40 | 00:58 | First Quarter | 58% | 8.2 days | 382738 km |
| Dec 14 Wed | 14:08 | 01:52 | First Quarter | 68% | 9.2 days | 376737 km |
| Dec 15 Thu | 14:38 | 02:47 | Waxing Gibbous | 78% | 10.2 days | 370864 km |
| Dec 16 Fri | 15:11 | 03:46 | Waxing Gibbous | 86% | 11.2 days | 365585 km |
| Dec 17 Sat | 15:48 | 04:46 | Waxing Gibbous | 92% | 12.2 days | 363104 km |
| Dec 18 Sun | 16:30 | 05:51 | Waxing Gibbous | 97% | 13.2 days | 363104 km |
| Dec 19 Mon | 17:21 | 06:57 | Full Moon | 100% | 14.2 days | 363104 km |
| Dec 20 Tue | 18:20 | 08:03 | Waning Gibbous | 100% | 15.2 days | 363104 km |
| Dec 21 Wed | 19:26 | 09:05 | Waning Gibbous | 98% | 16.2 days | 363104 km |
| Dec 22 Thu | 20:35 | 10:01 | Waning Gibbous | 94% | 17.2 days | 364887 km |
| Dec 23 Fri | 21:45 | 10:50 | Waning Gibbous | 88% | 18.2 days | 370207 km |
| Dec 24 Sat | 22:53 | 11:33 | Waning Gibbous | 80% | 19.2 days | 376286 km |
| Dec 25 Sun | 23:58 | 12:10 | Waning Gibbous | 71% | 20.2 days | 382625 km |
| Dec 26 Mon | - | 12:44 | Last Quarter | 60% | 21.2 days | 388737 km |
| Dec 27 Tue | 01:02 | 13:18 | Last Quarter | 50% | 22.2 days | 394205 km |
| Dec 28 Wed | 02:04 | 13:51 | Last Quarter | 39% | 23.2 days | 398720 km |
| Dec 29 Thu | 03:06 | 14:25 | Waning Crescent | 29% | 24.2 days | 402110 km |
| Dec 30 Fri | 04:08 | 15:02 | Waning Crescent | 20% | 25.2 days | 404336 km |
| Dec 31 Sat | 05:10 | 15:43 | Waning Crescent | 12% | 26.2 days | 405471 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.