Moon · May 2025
Moon calendar for Portland, Maine, United States: May 2025
Daily moon phases, illumination, moonrise and moonset in Portland, Maine, United States for May 2025. Full moon: May 12, 2025. All times are shown in the local time of Portland, Maine, United States.
Full moonMonday, May 12, 2025, 3:11 PM
New moonMonday, May 26, 2025, 8:39 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Crescent | 20% | 7:37 AM | 12:22 AM |
| 2 | Waxing Crescent | 29% | 8:34 AM | 1:31 AM |
| 3 | First Quarter | 40% | 10:02 AM | 2:07 AM |
| 4 | First Quarter | 50% | 11:27 AM | 2:29 AM |
| 5 | Waxing Gibbous | 61% | 12:25 PM | 3:07 AM |
| 6 | Waxing Gibbous | 70% | 1:39 PM | 3:32 AM |
| 7 | Waxing Gibbous | 79% | 2:33 PM | 3:38 AM |
| 8 | Waxing Gibbous | 86% | 3:45 PM | 3:53 AM |
| 9 | Waxing Gibbous | 92% | 4:42 PM | 4:16 AM |
| 10 | Waxing Gibbous | 96% | 5:51 PM | 4:24 AM |
| 11 | Full Moon | 99% | 6:55 PM | 4:41 AM |
| 12 | Full Moon | 100% | 8:04 PM | 5:25 AM |
| 13 | Full Moon | 99% | 9:12 PM | 5:41 AM |
| 14 | Waning Gibbous | 96% | 10:10 PM | 6:20 AM |
| 15 | Waning Gibbous | 92% | 11:02 PM | 7:17 AM |
| 16 | Waning Gibbous | 86% | 11:45 PM | 8:07 AM |
| 17 | Waning Gibbous | 78% | — | 9:21 AM |
| 18 | Waning Gibbous | 68% | 12:23 AM | 10:21 AM |
| 19 | Last Quarter | 58% | 12:59 AM | 11:36 AM |
| 20 | Last Quarter | 47% | 1:34 AM | 12:41 PM |
| 21 | Waning Crescent | 35% | 1:46 AM | 2:09 PM |
| 22 | Waning Crescent | 25% | 2:17 AM | 3:32 PM |
| 23 | Waning Crescent | 15% | 2:26 AM | 4:30 PM |
| 24 | Waning Crescent | 8% | 2:49 AM | 6:05 PM |
| 25 | Waning Crescent | 3% | 3:30 AM | 7:34 PM |
| 26 | New Moon | 0% | 3:49 AM | 8:40 PM |
| 27 | New Moon | 1% | 4:24 AM | 10:09 PM |
| 28 | Waxing Crescent | 4% | 5:30 AM | 11:21 PM |
| 29 | Waxing Crescent | 9% | 6:22 AM | — |
| 30 | Waxing Crescent | 16% | 7:41 AM | 12:01 AM |
| 31 | Waxing Crescent | 25% | 8:59 AM | 12:29 AM |
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Frequently asked questions
When is the full moon in May 2025 in Portland, Maine, United States?
The full moon peaks on Monday, May 12, 2025, 3:11 PM (local time).
When is the new moon in May 2025?
The new moon falls on Monday, May 26, 2025, 8:39 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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