Moon Phases in Montana
Moonrise, Moonset, Phase, Illumination and Age for December2099
Today's Moon
Calculated for 2026-05-10
- Moonrise
- 02:52
- Phase
- Last Quarter
- Age of Moon
- 22.8 days
- Moonset
- 13:14
- Illumination
- 43%
- Next Full Moon
- 2026-05-31
Today's Sun
Calculated for 2026-05-10
- Sunrise
- 06:06
- Sunset
- 20:40
- Day Length
- 14h 33m
| Date | Moonrise | Moonset | Phase | Illumination | Age | Distance |
|---|---|---|---|---|---|---|
| Dec 1 Tue | 19:55 | 11:09 | Waning Gibbous | 87% | 18.3 days | 392280 km |
| Dec 2 Wed | 21:10 | 11:46 | Waning Gibbous | 79% | 19.3 days | 396767 km |
| Dec 3 Thu | 22:25 | 12:15 | Waning Gibbous | 69% | 20.3 days | 400453 km |
| Dec 4 Fri | 23:41 | 12:40 | Last Quarter | 59% | 21.3 days | 403037 km |
| Dec 5 Sat | - | 13:02 | Last Quarter | 48% | 22.3 days | 404314 km |
| Dec 6 Sun | 00:56 | 13:23 | Last Quarter | 38% | 23.3 days | 404207 km |
| Dec 7 Mon | 02:11 | 13:44 | Waning Crescent | 28% | 24.3 days | 402770 km |
| Dec 8 Tue | 03:29 | 14:07 | Waning Crescent | 19% | 25.3 days | 400176 km |
| Dec 9 Wed | 04:49 | 14:36 | Waning Crescent | 11% | 26.3 days | 396691 km |
| Dec 10 Thu | 06:10 | 15:11 | Waning Crescent | 6% | 27.3 days | 392634 km |
| Dec 11 Fri | 07:30 | 15:57 | Waning Crescent | 2% | 28.3 days | 388337 km |
| Dec 12 Sat | 08:40 | 16:53 | New Moon | 0% | 29.3 days | 384110 km |
| Dec 13 Sun | 09:40 | 18:00 | Waxing Crescent | 1% | 0.8 days | 380212 km |
| Dec 14 Mon | 10:25 | 19:11 | Waxing Crescent | 3% | 1.8 days | 376835 km |
| Dec 15 Tue | 10:59 | 20:23 | Waxing Crescent | 8% | 2.8 days | 374103 km |
| Dec 16 Wed | 11:26 | 21:32 | Waxing Crescent | 15% | 3.8 days | 372077 km |
| Dec 17 Thu | 11:48 | 22:38 | Waxing Crescent | 24% | 4.8 days | 370770 km |
| Dec 18 Fri | 12:06 | 23:41 | First Quarter | 33% | 5.8 days | 370155 km |
| Dec 19 Sat | 12:23 | - | First Quarter | 43% | 6.8 days | 370190 km |
| Dec 20 Sun | 12:40 | 00:43 | First Quarter | 54% | 7.8 days | 370821 km |
| Dec 21 Mon | 12:57 | 01:45 | First Quarter | 64% | 8.8 days | 372000 km |
| Dec 22 Tue | 13:17 | 02:47 | Waxing Gibbous | 74% | 9.8 days | 373686 km |
| Dec 23 Wed | 13:40 | 03:53 | Waxing Gibbous | 83% | 10.8 days | 375848 km |
| Dec 24 Thu | 14:08 | 05:00 | Waxing Gibbous | 90% | 11.8 days | 378460 km |
| Dec 25 Fri | 14:45 | 06:08 | Waxing Gibbous | 96% | 12.8 days | 381488 km |
| Dec 26 Sat | 15:33 | 07:15 | Waxing Gibbous | 99% | 13.8 days | 384878 km |
| Dec 27 Sun | 16:32 | 08:14 | Full Moon | 100% | 14.8 days | 388535 km |
| Dec 28 Mon | 17:42 | 09:05 | Waning Gibbous | 99% | 15.8 days | 392312 km |
| Dec 29 Tue | 18:57 | 09:46 | Waning Gibbous | 96% | 16.8 days | 396005 km |
| Dec 30 Wed | 20:15 | 10:18 | Waning Gibbous | 90% | 17.8 days | 399355 km |
| Dec 31 Thu | 21:32 | 10:44 | Waning Gibbous | 83% | 18.8 days | 402075 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.