Moon · August 2025
Moon calendar for Grand Rapids, Michigan, United States: August 2025
Daily moon phases, illumination, moonrise and moonset in Grand Rapids, Michigan, United States for August 2025. Full moon: August 9, 2025. All times are shown in the local time of Grand Rapids, Michigan, 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% | 2:25 PM | 12:23 AM |
| 2 | Waxing Gibbous | 61% | 3:37 PM | 12:41 AM |
| 3 | Waxing Gibbous | 70% | 4:28 PM | 1:31 AM |
| 4 | Waxing Gibbous | 78% | 5:38 PM | 1:58 AM |
| 5 | Waxing Gibbous | 86% | 6:25 PM | 2:35 AM |
| 6 | Waxing Gibbous | 92% | 7:28 PM | 3:40 AM |
| 7 | Waxing Gibbous | 97% | 7:55 PM | 4:33 AM |
| 8 | Full Moon | 99% | 8:25 PM | 5:48 AM |
| 9 | Full Moon | 100% | 8:53 PM | 7:11 AM |
| 10 | Waning Gibbous | 98% | 9:32 PM | 8:19 AM |
| 11 | Waning Gibbous | 94% | 9:41 PM | 9:34 AM |
| 12 | Waning Gibbous | 87% | 10:11 PM | 10:34 AM |
| 13 | Waning Gibbous | 79% | 10:24 PM | 12:05 PM |
| 14 | Waning Gibbous | 68% | 10:45 PM | 1:32 PM |
| 15 | Last Quarter | 57% | 11:32 PM | 2:36 PM |
| 16 | Last Quarter | 45% | — | 4:11 PM |
| 17 | Waning Crescent | 33% | 12:06 AM | 5:35 PM |
| 18 | Waning Crescent | 23% | 12:48 AM | 6:28 PM |
| 19 | Waning Crescent | 14% | 1:57 AM | 7:34 PM |
| 20 | Waning Crescent | 7% | 3:21 AM | 8:08 PM |
| 21 | Waning Crescent | 3% | 4:24 AM | 8:27 PM |
| 22 | New Moon | 0% | 5:43 AM | 8:59 PM |
| 23 | New Moon | 0% | 6:55 AM | 9:30 PM |
| 24 | Waxing Crescent | 2% | 8:12 AM | 9:36 PM |
| 25 | Waxing Crescent | 7% | 9:23 AM | 9:49 PM |
| 26 | Waxing Crescent | 12% | 10:19 AM | 10:16 PM |
| 27 | Waxing Crescent | 19% | 11:29 AM | 10:25 PM |
| 28 | Waxing Crescent | 27% | 12:22 PM | 10:47 PM |
| 29 | Waxing Crescent | 36% | 1:32 PM | 11:31 PM |
| 30 | First Quarter | 45% | 2:23 PM | 11:54 PM |
| 31 | First Quarter | 54% | 3:34 PM | — |
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Frequently asked questions
When is the full moon in August 2025 in Grand Rapids, Michigan, 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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