Moon · May 2025
Moon calendar for Sioux City, Iowa, United States: May 2025
Daily moon phases, illumination, moonrise and moonset in Sioux City, Iowa, United States for May 2025. Full moon: May 12, 2025. All times are shown in the local time of Sioux City, Iowa, United States.
Full moonMonday, May 12, 2025, 2:11 PM
New moonMonday, May 26, 2025, 7:39 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Crescent | 20% | 8:25 AM | 1:12 AM |
| 2 | Waxing Crescent | 30% | 9:40 AM | 2:04 AM |
| 3 | First Quarter | 40% | 10:52 AM | 2:47 AM |
| 4 | First Quarter | 51% | 12:15 PM | 3:30 AM |
| 5 | Waxing Gibbous | 61% | 1:32 PM | 3:41 AM |
| 6 | Waxing Gibbous | 71% | 2:25 PM | 4:10 AM |
| 7 | Waxing Gibbous | 79% | 3:37 PM | 4:22 AM |
| 8 | Waxing Gibbous | 87% | 4:28 PM | 4:30 AM |
| 9 | Waxing Gibbous | 92% | 5:39 PM | 4:59 AM |
| 10 | Waxing Gibbous | 97% | 6:30 PM | 5:29 AM |
| 11 | Full Moon | 99% | 7:42 PM | 5:37 AM |
| 12 | Full Moon | 100% | 8:36 PM | 6:06 AM |
| 13 | Waning Gibbous | 99% | 9:47 PM | 6:26 AM |
| 14 | Waning Gibbous | 96% | 10:40 PM | 7:24 AM |
| 15 | Waning Gibbous | 92% | 11:42 PM | 8:02 AM |
| 16 | Waning Gibbous | 85% | — | 8:57 AM |
| 17 | Waning Gibbous | 77% | 12:25 AM | 10:07 AM |
| 18 | Waning Gibbous | 68% | 1:57 AM | 11:26 AM |
| 19 | Last Quarter | 57% | 1:41 AM | 12:23 PM |
| 20 | Last Quarter | 46% | 2:16 AM | 1:39 PM |
| 21 | Waning Crescent | 35% | 2:27 AM | 2:51 PM |
| 22 | Waning Crescent | 24% | 2:55 AM | 4:15 PM |
| 23 | Waning Crescent | 15% | 3:31 AM | 5:34 PM |
| 24 | Waning Crescent | 8% | 3:42 AM | 6:39 PM |
| 25 | Waning Crescent | 3% | 4:13 AM | 8:15 PM |
| 26 | New Moon | 0% | 4:32 AM | 9:38 PM |
| 27 | New Moon | 1% | 5:32 AM | 10:40 PM |
| 28 | Waxing Crescent | 4% | 6:18 AM | 11:50 PM |
| 29 | Waxing Crescent | 9% | 7:31 AM | — |
| 30 | Waxing Crescent | 17% | 8:28 AM | 12:33 AM |
| 31 | Waxing Crescent | 26% | 9:51 AM | 1:30 AM |
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Frequently asked questions
When is the full moon in May 2025 in Sioux City, Iowa, United States?
The full moon peaks on Monday, May 12, 2025, 2:11 PM (local time).
When is the new moon in May 2025?
The new moon falls on Monday, May 26, 2025, 7:39 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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