Moon · December 2025
Moon calendar for Iowa City, Iowa, United States: December 2025
Daily moon phases, illumination, moonrise and moonset in Iowa City, Iowa, United States for December 2025. Full moon: December 4, 2025. All times are shown in the local time of Iowa City, Iowa, United States.
Full moonThursday, December 4, 2025, 5:18 PM
New moonFriday, December 19, 2025, 8:59 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Gibbous | 87% | 1:45 PM | 3:38 AM |
| 2 | Waxing Gibbous | 93% | 2:20 PM | 5:01 AM |
| 3 | Waxing Gibbous | 98% | 2:44 PM | 6:21 AM |
| 4 | Full Moon | 100% | 3:38 PM | 7:41 AM |
| 5 | Waning Gibbous | 99% | 4:26 PM | 8:52 AM |
| 6 | Waning Gibbous | 95% | 5:43 PM | 9:57 AM |
| 7 | Waning Gibbous | 89% | 7:03 PM | 10:44 AM |
| 8 | Waning Gibbous | 82% | 8:20 PM | 11:32 AM |
| 9 | Waning Gibbous | 72% | 9:37 PM | 11:47 AM |
| 10 | Waning Gibbous | 62% | 10:33 PM | 12:18 PM |
| 11 | Last Quarter | 52% | 11:48 PM | 12:27 PM |
| 12 | Last Quarter | 42% | — | 12:50 PM |
| 13 | Waning Crescent | 32% | 12:53 AM | 1:27 PM |
| 14 | Waning Crescent | 24% | 2:01 AM | 1:35 PM |
| 15 | Waning Crescent | 16% | 3:08 AM | 1:56 PM |
| 16 | Waning Crescent | 10% | 4:10 AM | 2:22 PM |
| 17 | Waning Crescent | 5% | 5:19 AM | 2:53 PM |
| 18 | Waning Crescent | 2% | 6:14 AM | 3:37 PM |
| 19 | New Moon | 0% | 7:12 AM | 4:22 PM |
| 20 | New Moon | 1% | 7:54 AM | 5:29 PM |
| 21 | Waxing Crescent | 3% | 8:30 AM | 6:20 PM |
| 22 | Waxing Crescent | 7% | 9:29 AM | 7:34 PM |
| 23 | Waxing Crescent | 13% | 9:46 AM | 8:27 PM |
| 24 | Waxing Crescent | 20% | 10:20 AM | 9:41 PM |
| 25 | Waxing Crescent | 30% | 10:30 AM | 10:50 PM |
| 26 | First Quarter | 40% | 11:11 AM | — |
| 27 | First Quarter | 51% | 11:34 AM | 12:11 AM |
| 28 | Waxing Gibbous | 63% | 11:46 AM | 1:31 AM |
| 29 | Waxing Gibbous | 74% | 12:20 PM | 2:29 AM |
| 30 | Waxing Gibbous | 83% | 12:38 PM | 4:00 AM |
| 31 | Waxing Gibbous | 91% | 1:34 PM | 5:31 AM |
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Frequently asked questions
When is the full moon in December 2025 in Iowa City, Iowa, United States?
The full moon peaks on Thursday, December 4, 2025, 5:18 PM (local time).
When is the new moon in December 2025?
The new moon falls on Friday, December 19, 2025, 8:59 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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