Moon Phases in Boston
Moonrise, Moonset, Phase, Illumination and Age for December1923
Today's Moon
Calculated for 2026-02-18
- Moonrise
- 07:52
- Phase
- New Moon
- Age of Moon
- 0.9 days
- Moonset
- 19:49
- Illumination
- 1%
- Next Full Moon
- 2026-03-03
Today's Sun
Calculated for 2026-02-18
- Sunrise
- 07:11
- Sunset
- 18:26
- Day Length
- 11h 15m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Sat | 00:05 | 13:10 | Last Quarter | 47% | 22.4 days | 370406 km |
| Dec 2 Sun | 01:05 | 13:50 | Last Quarter | 37% | 23.4 days | 371033 km |
| Dec 3 Mon | 02:08 | 14:29 | Waning Crescent | 27% | 24.4 days | 372223 km |
| Dec 4 Tue | 03:12 | 15:11 | Waning Crescent | 18% | 25.4 days | 373971 km |
| Dec 5 Wed | 04:19 | 15:56 | Waning Crescent | 11% | 26.4 days | 376269 km |
| Dec 6 Thu | 05:27 | 16:44 | Waning Crescent | 5% | 27.4 days | 379095 km |
| Dec 7 Fri | 06:35 | 17:38 | Waning Crescent | 1% | 28.4 days | 382399 km |
| Dec 8 Sat | 07:42 | 18:35 | New Moon | 0% | 29.4 days | 386089 km |
| Dec 9 Sun | 08:45 | 19:36 | Waxing Crescent | 1% | 0.9 days | 390015 km |
| Dec 10 Mon | 09:43 | 20:38 | Waxing Crescent | 4% | 1.9 days | 393965 km |
| Dec 11 Tue | 10:33 | 21:40 | Waxing Crescent | 9% | 2.9 days | 397676 km |
| Dec 12 Wed | 11:19 | 22:39 | Waxing Crescent | 16% | 3.9 days | 400847 km |
| Dec 13 Thu | 11:59 | 23:37 | Waxing Crescent | 24% | 4.9 days | 403176 km |
| Dec 14 Fri | 12:35 | - | First Quarter | 34% | 5.9 days | 404396 km |
| Dec 15 Sat | 13:10 | 00:32 | First Quarter | 44% | 6.9 days | 404319 km |
| Dec 16 Sun | 13:43 | 01:26 | First Quarter | 55% | 7.9 days | 402868 km |
| Dec 17 Mon | 14:16 | 02:18 | First Quarter | 65% | 8.9 days | 400094 km |
| Dec 18 Tue | 14:50 | 03:10 | Waxing Gibbous | 75% | 9.9 days | 396181 km |
| Dec 19 Wed | 15:26 | 04:02 | Waxing Gibbous | 84% | 10.9 days | 391425 km |
| Dec 20 Thu | 16:03 | 04:54 | Waxing Gibbous | 91% | 11.9 days | 386203 km |
| Dec 21 Fri | 16:45 | 05:47 | Waxing Gibbous | 96% | 12.9 days | 380929 km |
| Dec 22 Sat | 17:30 | 06:39 | Full Moon | 99% | 13.9 days | 376007 km |
| Dec 23 Sun | 18:18 | 07:30 | Waning Gibbous | 100% | 14.9 days | 371794 km |
| Dec 24 Mon | 19:10 | 08:19 | Waning Gibbous | 99% | 15.9 days | 368564 km |
| Dec 25 Tue | 20:05 | 09:06 | Waning Gibbous | 95% | 16.9 days | 366488 km |
| Dec 26 Wed | 21:01 | 09:50 | Waning Gibbous | 90% | 17.9 days | 365632 km |
| Dec 27 Thu | 21:59 | 10:32 | Waning Gibbous | 82% | 18.9 days | 365955 km |
| Dec 28 Fri | 22:58 | 11:12 | Waning Gibbous | 73% | 19.9 days | 367332 km |
| Dec 29 Sat | 23:59 | 11:50 | Last Quarter | 64% | 20.9 days | 369574 km |
| Dec 30 Sun | - | 12:28 | Last Quarter | 53% | 21.9 days | 372458 km |
| Dec 31 Mon | 01:00 | 13:08 | Last Quarter | 43% | 22.9 days | 375756 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.