Moon · December 2026
Moon calendar for Sioux City, Iowa, United States: December 2026
Daily moon phases, illumination, moonrise and moonset in Sioux City, Iowa, United States for December 2026. Full moon: December 23, 2026. All times are shown in the local time of Sioux City, Iowa, United States.
Full moonWednesday, December 23, 2026, 7:16 PM
New moonTuesday, December 8, 2026, 5:17 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Last Quarter | 46% | — | 1:32 PM |
| 2 | Waning Crescent | 35% | 12:32 AM | 1:40 PM |
| 3 | Waning Crescent | 25% | 1:51 AM | 2:11 PM |
| 4 | Waning Crescent | 16% | 3:09 AM | 2:24 PM |
| 5 | Waning Crescent | 10% | 4:16 AM | 2:50 PM |
| 6 | Waning Crescent | 5% | 5:29 AM | 3:33 PM |
| 7 | Waning Crescent | 2% | 6:22 AM | 4:03 PM |
| 8 | New Moon | 0% | 7:32 AM | 4:35 PM |
| 9 | New Moon | 1% | 8:19 AM | 5:37 PM |
| 10 | Waxing Crescent | 3% | 9:14 AM | 6:25 PM |
| 11 | Waxing Crescent | 7% | 9:43 AM | 7:35 PM |
| 12 | Waxing Crescent | 12% | 10:20 AM | 8:26 PM |
| 13 | Waxing Crescent | 19% | 10:34 AM | 9:37 PM |
| 14 | Waxing Crescent | 27% | 11:05 AM | 10:31 PM |
| 15 | Waxing Crescent | 37% | 11:36 AM | 11:43 PM |
| 16 | First Quarter | 47% | 11:47 AM | — |
| 17 | First Quarter | 57% | 12:17 PM | 12:47 AM |
| 18 | Waxing Gibbous | 67% | 12:26 PM | 2:06 AM |
| 19 | Waxing Gibbous | 77% | 12:55 PM | 3:28 AM |
| 20 | Waxing Gibbous | 86% | 1:34 PM | 4:25 AM |
| 21 | Waxing Gibbous | 93% | 2:09 PM | 5:45 AM |
| 22 | Waxing Gibbous | 97% | 2:48 PM | 7:16 AM |
| 23 | Full Moon | 100% | 3:55 PM | 8:18 AM |
| 24 | Full Moon | 99% | 4:14 PM | 9:25 AM |
| 25 | Waning Gibbous | 96% | 6:25 PM | 9:58 AM |
| 26 | Waning Gibbous | 90% | 7:49 PM | 10:26 AM |
| 27 | Waning Gibbous | 82% | 9:21 PM | 11:07 AM |
| 28 | Waning Gibbous | 73% | 10:24 PM | 11:33 AM |
| 29 | Waning Gibbous | 62% | 11:39 PM | 11:43 AM |
| 30 | Last Quarter | 51% | — | 12:14 PM |
| 31 | Last Quarter | 41% | 12:37 AM | 12:25 PM |
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Frequently asked questions
When is the full moon in December 2026 in Sioux City, Iowa, United States?
The full moon peaks on Wednesday, December 23, 2026, 7:16 PM (local time).
When is the new moon in December 2026?
The new moon falls on Tuesday, December 8, 2026, 5:17 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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