Moon · August 2025
Moon calendar for Portland, Maine, United States: August 2025
Daily moon phases, illumination, moonrise and moonset in Portland, Maine, United States for August 2025. Full moon: August 9, 2025. All times are shown in the local time of Portland, Maine, United States.
Full moonSaturday, August 9, 2025, 4:33 AM
New moonFriday, August 22, 2025, 11:32 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | First Quarter | 52% | 1:35 PM | 11:44 PM |
| 2 | Waxing Gibbous | 61% | 2:26 PM | — |
| 3 | Waxing Gibbous | 70% | 3:37 PM | 12:18 AM |
| 4 | Waxing Gibbous | 78% | 4:27 PM | 12:44 AM |
| 5 | Waxing Gibbous | 86% | 5:35 PM | 1:39 AM |
| 6 | Waxing Gibbous | 92% | 6:18 PM | 2:26 AM |
| 7 | Waxing Gibbous | 97% | 6:51 PM | 3:38 AM |
| 8 | Full Moon | 99% | 7:35 PM | 4:36 AM |
| 9 | Full Moon | 100% | 7:53 PM | 5:56 AM |
| 10 | Waning Gibbous | 98% | 8:22 PM | 7:23 AM |
| 11 | Waning Gibbous | 94% | 8:30 PM | 8:22 AM |
| 12 | Waning Gibbous | 87% | 9:05 PM | 9:38 AM |
| 13 | Waning Gibbous | 79% | 9:33 PM | 10:58 AM |
| 14 | Waning Gibbous | 68% | 9:45 PM | 12:20 PM |
| 15 | Last Quarter | 57% | 10:19 PM | 1:41 PM |
| 16 | Last Quarter | 45% | 10:52 PM | 3:15 PM |
| 17 | Waning Crescent | 33% | 11:44 PM | 4:23 PM |
| 18 | Waning Crescent | 23% | — | 5:38 PM |
| 19 | Waning Crescent | 14% | 12:40 AM | 6:24 PM |
| 20 | Waning Crescent | 7% | 2:06 AM | 7:13 PM |
| 21 | Waning Crescent | 3% | 3:30 AM | 7:37 PM |
| 22 | New Moon | 0% | 4:28 AM | 7:57 PM |
| 23 | New Moon | 0% | 5:48 AM | 8:19 PM |
| 24 | Waxing Crescent | 2% | 7:03 AM | 8:26 PM |
| 25 | Waxing Crescent | 7% | 8:14 AM | 8:37 PM |
| 26 | Waxing Crescent | 12% | 9:22 AM | 9:20 PM |
| 27 | Waxing Crescent | 19% | 10:19 AM | 9:33 PM |
| 28 | Waxing Crescent | 27% | 11:29 AM | 9:40 PM |
| 29 | Waxing Crescent | 36% | 12:21 PM | 10:18 PM |
| 30 | First Quarter | 45% | 1:33 PM | 10:38 PM |
| 31 | First Quarter | 54% | 2:23 PM | 11:36 PM |
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Frequently asked questions
When is the full moon in August 2025 in Portland, Maine, United States?
The full moon peaks on Saturday, August 9, 2025, 4:33 AM (local time).
When is the new moon in August 2025?
The new moon falls on Friday, August 22, 2025, 11:32 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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