Moon · December 2026
Moon calendar for Idaho Falls, Idaho, United States: December 2026
Daily moon phases, illumination, moonrise and moonset in Idaho Falls, Idaho, United States for December 2026. Full moon: December 23, 2026. All times are shown in the local time of Idaho Falls, Idaho, United States.
Full moonWednesday, December 23, 2026, 6:16 PM
New moonTuesday, December 8, 2026, 4:17 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Last Quarter | 45% | — | 1:33 PM |
| 2 | Waning Crescent | 34% | 12:37 AM | 1:44 PM |
| 3 | Waning Crescent | 25% | 2:01 AM | 2:13 PM |
| 4 | Waning Crescent | 16% | 3:18 AM | 2:25 PM |
| 5 | Waning Crescent | 9% | 4:21 AM | 2:53 PM |
| 6 | Waning Crescent | 5% | 5:34 AM | 3:33 PM |
| 7 | Waning Crescent | 1% | 6:25 AM | 4:04 PM |
| 8 | New Moon | 0% | 7:36 AM | 4:36 PM |
| 9 | New Moon | 1% | 8:23 AM | 5:38 PM |
| 10 | Waxing Crescent | 3% | 9:24 AM | 6:26 PM |
| 11 | Waxing Crescent | 7% | 9:50 AM | 7:36 PM |
| 12 | Waxing Crescent | 13% | 10:23 AM | 8:28 PM |
| 13 | Waxing Crescent | 19% | 10:41 AM | 9:39 PM |
| 14 | Waxing Crescent | 28% | 11:26 AM | 10:37 PM |
| 15 | Waxing Crescent | 37% | 11:37 AM | 11:47 PM |
| 16 | First Quarter | 47% | 11:51 AM | — |
| 17 | First Quarter | 57% | 12:19 PM | 1:03 AM |
| 18 | Waxing Gibbous | 68% | 12:27 PM | 2:14 AM |
| 19 | Waxing Gibbous | 78% | 12:58 PM | 3:33 AM |
| 20 | Waxing Gibbous | 86% | 1:34 PM | 4:31 AM |
| 21 | Waxing Gibbous | 93% | 2:09 PM | 6:01 AM |
| 22 | Waxing Gibbous | 98% | 2:47 PM | 7:29 AM |
| 23 | Full Moon | 100% | 3:55 PM | 8:24 AM |
| 24 | Full Moon | 99% | 5:16 PM | 9:33 AM |
| 25 | Waning Gibbous | 96% | 6:25 PM | 10:10 AM |
| 26 | Waning Gibbous | 90% | 7:54 PM | 10:31 AM |
| 27 | Waning Gibbous | 82% | 9:27 PM | 11:19 AM |
| 28 | Waning Gibbous | 72% | 10:26 PM | 11:34 AM |
| 29 | Waning Gibbous | 62% | 11:42 PM | 11:45 AM |
| 30 | Last Quarter | 51% | — | 12:16 PM |
| 31 | Last Quarter | 40% | 12:48 AM | 12:26 PM |
Another city or date
Frequently asked questions
When is the full moon in December 2026 in Idaho Falls, Idaho, United States?
The full moon peaks on Wednesday, December 23, 2026, 6:16 PM (local time).
When is the new moon in December 2026?
The new moon falls on Tuesday, December 8, 2026, 4:17 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
More for Idaho Falls, Idaho, United States
Near Idaho Falls
- Pocatello, Idaho, United States
- Jackson, Wyoming, United States
- Logan, Utah, United States
- Twin Falls, Idaho, United States
- Ogden, Utah, United States
- Bozeman, Montana, United States
- Cody, Wyoming, United States
- Salt Lake City, Utah, United States
- West Valley City, Utah, United States
- West Jordan, Utah, United States
- Boise, Idaho, United States
- Helena, Montana, United States