Moon · August 2025
Moon calendar for Dayton, Ohio, United States: August 2025
Daily moon phases, illumination, moonrise and moonset in Dayton, Ohio, United States for August 2025. Full moon: August 9, 2025. All times are shown in the local time of Dayton, Ohio, 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% | 2:21 PM | 12:23 AM |
| 2 | Waxing Gibbous | 61% | 3:30 PM | 12:46 AM |
| 3 | Waxing Gibbous | 70% | 4:21 PM | 1:33 AM |
| 4 | Waxing Gibbous | 78% | 5:28 PM | 2:07 AM |
| 5 | Waxing Gibbous | 86% | 6:15 PM | 2:40 AM |
| 6 | Waxing Gibbous | 92% | 7:00 PM | 3:43 AM |
| 7 | Waxing Gibbous | 97% | 7:40 PM | 4:32 AM |
| 8 | Full Moon | 99% | 8:20 PM | 5:52 AM |
| 9 | Full Moon | 100% | 8:34 PM | 7:13 AM |
| 10 | Waning Gibbous | 98% | 9:25 PM | 8:18 AM |
| 11 | Waning Gibbous | 94% | 9:38 PM | 9:32 AM |
| 12 | Waning Gibbous | 87% | 10:05 PM | 10:27 AM |
| 13 | Waning Gibbous | 79% | 10:25 PM | 11:42 AM |
| 14 | Waning Gibbous | 68% | 10:51 PM | 1:19 PM |
| 15 | Last Quarter | 57% | 11:35 PM | 2:23 PM |
| 16 | Last Quarter | 45% | — | 3:41 PM |
| 17 | Waning Crescent | 33% | 12:13 AM | 5:09 PM |
| 18 | Waning Crescent | 23% | 1:12 AM | 6:13 PM |
| 19 | Waning Crescent | 14% | 2:14 AM | 7:11 PM |
| 20 | Waning Crescent | 7% | 3:30 AM | 7:44 PM |
| 21 | Waning Crescent | 3% | 4:27 AM | 8:20 PM |
| 22 | New Moon | 0% | 5:45 AM | 8:35 PM |
| 23 | New Moon | 0% | 6:55 AM | 9:20 PM |
| 24 | Waxing Crescent | 2% | 8:08 AM | 9:33 PM |
| 25 | Waxing Crescent | 7% | 9:17 AM | 9:43 PM |
| 26 | Waxing Crescent | 12% | 10:08 AM | 10:13 PM |
| 27 | Waxing Crescent | 19% | 11:18 AM | 10:24 PM |
| 28 | Waxing Crescent | 27% | 11:21 AM | 10:51 PM |
| 29 | Waxing Crescent | 36% | 1:18 PM | 11:33 PM |
| 30 | First Quarter | 45% | 2:15 PM | — |
| 31 | First Quarter | 54% | 3:20 PM | 12:03 AM |
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Frequently asked questions
When is the full moon in August 2025 in Dayton, Ohio, 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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