Moon · October 2025
Moon calendar for Great Falls, Montana, United States: October 2025
Daily moon phases, illumination, moonrise and moonset in Great Falls, Montana, United States for October 2025. Full moon: October 7, 2025. All times are shown in the local time of Great Falls, Montana, United States.
Full moonTuesday, October 7, 2025, 12:35 AM
New moonTuesday, October 21, 2025, 5:45 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Gibbous | 68% | 4:23 PM | 12:47 AM |
| 2 | Waxing Gibbous | 77% | 4:48 PM | 2:09 AM |
| 3 | Waxing Gibbous | 86% | 5:27 PM | 3:31 AM |
| 4 | Waxing Gibbous | 92% | 5:37 PM | 4:29 AM |
| 5 | Waxing Gibbous | 97% | 5:49 PM | 5:53 AM |
| 6 | Full Moon | 100% | 6:10 PM | 7:28 AM |
| 7 | Full Moon | 99% | 6:24 PM | 8:29 AM |
| 8 | Waning Gibbous | 97% | 6:39 PM | 10:06 AM |
| 9 | Waning Gibbous | 91% | 7:24 PM | 11:38 AM |
| 10 | Waning Gibbous | 83% | 7:52 PM | 1:02 PM |
| 11 | Waning Gibbous | 74% | 8:36 PM | 2:20 PM |
| 12 | Waning Gibbous | 63% | 9:53 PM | 3:33 PM |
| 13 | Last Quarter | 51% | 11:21 PM | 4:11 PM |
| 14 | Last Quarter | 40% | — | 4:32 PM |
| 15 | Waning Crescent | 30% | 12:28 AM | 5:09 PM |
| 16 | Waning Crescent | 20% | 2:00 AM | 5:31 PM |
| 17 | Waning Crescent | 13% | 3:27 AM | 5:37 PM |
| 18 | Waning Crescent | 7% | 4:25 AM | 5:45 PM |
| 19 | Waning Crescent | 3% | 5:39 AM | 6:07 PM |
| 20 | New Moon | 0% | 6:36 AM | 6:19 PM |
| 21 | New Moon | 0% | 7:52 AM | 6:27 PM |
| 22 | Waxing Crescent | 2% | 9:05 AM | 6:53 PM |
| 23 | Waxing Crescent | 5% | 10:13 AM | 7:32 PM |
| 24 | Waxing Crescent | 10% | 11:20 AM | 7:56 PM |
| 25 | Waxing Crescent | 16% | 12:14 PM | 8:33 PM |
| 26 | Waxing Crescent | 24% | 1:15 PM | 9:38 PM |
| 27 | Waxing Crescent | 32% | 1:49 PM | 10:31 PM |
| 28 | First Quarter | 42% | 2:23 PM | 11:46 PM |
| 29 | First Quarter | 52% | 2:52 PM | — |
| 30 | Waxing Gibbous | 62% | 3:30 PM | 1:12 AM |
| 31 | Waxing Gibbous | 73% | 3:39 PM | 2:20 AM |
Another city or date
Frequently asked questions
When is the full moon in October 2025 in Great Falls, Montana, United States?
The full moon peaks on Tuesday, October 7, 2025, 12:35 AM (local time).
When is the new moon in October 2025?
The new moon falls on Tuesday, October 21, 2025, 5:45 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
More for Great Falls, Montana, United States
Near Great Falls
- Helena, Montana, United States
- Bozeman, Montana, United States
- Missoula, Montana, United States
- Kalispell, Montana, United States
- Lethbridge, Alberta, Canada
- Medicine Hat, Alberta, Canada
- Billings, Montana, United States
- Cody, Wyoming, United States
- Coeur d'Alene, Idaho, United States
- Calgary, Alberta, Canada
- Jackson, Wyoming, United States
- Idaho Falls, Idaho, United States