Boise sky calendar · December 2026
Full moon: Wed, Dec 23. New moon: Tue, Dec 8. Sunrise moves from 7:58 AM to 8:18 AM, sunset from 5:09 PM to 5:17 PM. 2 sky events this month (below). Times are local (MST).
| Date | Sunrise | Sunset | Moonrise | Moonset | Moon |
|---|---|---|---|---|---|
| Tue, Dec 1 | 7:58 AM | 5:09 PM | 12:22 AM | 1:22 PM | Waning crescent · 44% |
| Wed, Dec 2 | 7:59 AM | 5:08 PM | 1:32 AM | 1:42 PM | Waning crescent · 34% |
| Thu, Dec 3 | 8:00 AM | 5:08 PM | 2:41 AM | 2:02 PM | Waning crescent · 25% |
| Fri, Dec 4 | 8:01 AM | 5:08 PM | 3:49 AM | 2:23 PM | Waning crescent · 16% |
| Sat, Dec 5 | 8:02 AM | 5:08 PM | 4:56 AM | 2:47 PM | Waning crescent · 10% |
| Sun, Dec 6 | 8:03 AM | 5:08 PM | 6:03 AM | 3:16 PM | Waning crescent · 5% |
| Mon, Dec 7 | 8:04 AM | 5:07 PM | 7:09 AM | 3:51 PM | Waning crescent · 2% |
| Tue, Dec 8 | 8:05 AM | 5:07 PM | 8:11 AM | 4:33 PM | New moon · 0% |
| Wed, Dec 9 | 8:06 AM | 5:07 PM | 9:06 AM | 5:24 PM | Waxing crescent · 1% |
| Thu, Dec 10 | 8:07 AM | 5:07 PM | 9:53 AM | 6:21 PM | Waxing crescent · 3% |
| Fri, Dec 11 | 8:08 AM | 5:08 PM | 10:32 AM | 7:23 PM | Waxing crescent · 7% |
| Sat, Dec 12 | 8:09 AM | 5:08 PM | 11:03 AM | 8:27 PM | Waxing crescent · 12% |
| Sun, Dec 13 | 8:09 AM | 5:08 PM | 11:29 AM | 9:32 PM | Waxing crescent · 19% |
| Mon, Dec 14 | 8:10 AM | 5:08 PM | 11:51 AM | 10:36 PM | Waxing crescent · 27% |
| Tue, Dec 15 | 8:11 AM | 5:08 PM | 12:10 PM | 11:41 PM | Waxing crescent · 36% |
| Wed, Dec 16 | 8:12 AM | 5:09 PM | 12:29 PM | — | First quarter · 46% |
| Thu, Dec 17 | 8:12 AM | 5:09 PM | 12:48 PM | 12:47 AM | Waxing gibbous · 56% |
| Fri, Dec 18 | 8:13 AM | 5:09 PM | 1:09 PM | 1:55 AM | Waxing gibbous · 66% |
| Sat, Dec 19 | 8:13 AM | 5:10 PM | 1:33 PM | 3:07 AM | Waxing gibbous · 76% |
| Sun, Dec 20 | 8:14 AM | 5:10 PM | 2:03 PM | 4:23 AM | Waxing gibbous · 85% |
| Mon, Dec 21 | 8:15 AM | 5:11 PM | 2:43 PM | 5:43 AM | Waxing gibbous · 92% |
| Tue, Dec 22 | 8:15 AM | 5:11 PM | 3:35 PM | 7:02 AM | Waxing gibbous · 97% |
| Wed, Dec 23 | 8:15 AM | 5:12 PM | 4:42 PM | 8:15 AM | Full moon · 100% |
| Thu, Dec 24 | 8:16 AM | 5:12 PM | 6:01 PM | 9:14 AM | Waning gibbous · 99% |
| Fri, Dec 25 | 8:16 AM | 5:13 PM | 7:25 PM | 10:00 AM | Waning gibbous · 95% |
| Sat, Dec 26 | 8:17 AM | 5:14 PM | 8:48 PM | 10:35 AM | Waning gibbous · 89% |
| Sun, Dec 27 | 8:17 AM | 5:14 PM | 10:06 PM | 11:03 AM | Waning gibbous · 81% |
| Mon, Dec 28 | 8:17 AM | 5:15 PM | 11:20 PM | 11:26 AM | Waning gibbous · 71% |
| Tue, Dec 29 | 8:17 AM | 5:16 PM | — | 11:47 AM | Waning gibbous · 61% |
| Wed, Dec 30 | 8:17 AM | 5:17 PM | 12:31 AM | 12:07 PM | Last quarter · 50% |
| Thu, Dec 31 | 8:18 AM | 5:17 PM | 1:40 AM | 12:28 PM | Waning crescent · 40% |
Sky events this month
- Sun, Dec 13Geminids meteor shower peakUp to about 150 meteors an hour under a perfectly dark sky · the Moon stays out of the way
- Wed, Dec 23 6:28 PMFull moonSupermoon: a full moon close to Earth, slightly bigger and brighter
Month by month
Calculated with Astronomy Engine (MIT license).