Moon · May 2025
Moon calendar for Waterloo, Iowa, United States: May 2025
Daily moon phases, illumination, moonrise and moonset in Waterloo, Iowa, United States for May 2025. Full moon: May 12, 2025. All times are shown in the local time of Waterloo, 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% | 8:16 AM | 12:35 AM |
| 2 | Waxing Crescent | 30% | 9:31 AM | 1:41 AM |
| 3 | First Quarter | 40% | 10:28 AM | 2:25 AM |
| 4 | First Quarter | 51% | 11:51 AM | 3:08 AM |
| 5 | Waxing Gibbous | 61% | 1:14 PM | 3:34 AM |
| 6 | Waxing Gibbous | 71% | 2:18 PM | 3:49 AM |
| 7 | Waxing Gibbous | 79% | 3:30 PM | 4:12 AM |
| 8 | Waxing Gibbous | 87% | 4:22 PM | 4:22 AM |
| 9 | Waxing Gibbous | 92% | 5:32 PM | 4:31 AM |
| 10 | Waxing Gibbous | 97% | 6:23 PM | 5:04 AM |
| 11 | Full Moon | 99% | 7:34 PM | 5:31 AM |
| 12 | Full Moon | 100% | 8:25 PM | 5:43 AM |
| 13 | Waning Gibbous | 99% | 9:36 PM | 6:19 AM |
| 14 | Waning Gibbous | 96% | 10:26 PM | 6:52 AM |
| 15 | Waning Gibbous | 92% | 11:34 PM | 7:42 AM |
| 16 | Waning Gibbous | 85% | — | 8:32 AM |
| 17 | Waning Gibbous | 77% | 12:17 AM | 9:45 AM |
| 18 | Waning Gibbous | 68% | 12:46 AM | 10:55 AM |
| 19 | Last Quarter | 57% | 1:34 AM | 12:14 PM |
| 20 | Last Quarter | 46% | 1:51 AM | 1:32 PM |
| 21 | Waning Crescent | 35% | 2:22 AM | 2:28 PM |
| 22 | Waning Crescent | 24% | 2:30 AM | 3:50 PM |
| 23 | Waning Crescent | 15% | 3:11 AM | 5:25 PM |
| 24 | Waning Crescent | 8% | 3:34 AM | 6:26 PM |
| 25 | Waning Crescent | 3% | 3:52 AM | 7:52 PM |
| 26 | New Moon | 0% | 4:23 AM | 9:29 PM |
| 27 | New Moon | 1% | 5:19 AM | 10:27 PM |
| 28 | Waxing Crescent | 4% | 6:04 AM | 11:39 PM |
| 29 | Waxing Crescent | 9% | 7:16 AM | — |
| 30 | Waxing Crescent | 17% | 8:20 AM | 12:23 AM |
| 31 | Waxing Crescent | 26% | 9:38 AM | 1:07 AM |
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Frequently asked questions
When is the full moon in May 2025 in Waterloo, 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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