Moon · August 2025
Moon calendar for Riverside, California, United States: August 2025
Daily moon phases, illumination, moonrise and moonset in Riverside, California, United States for August 2025. Full moon: August 9, 2025. All times are shown in the local time of Riverside, California, United States.
Full moonSaturday, August 9, 2025, 1:33 AM
New moonFriday, August 22, 2025, 8:32 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | First Quarter | 53% | 1:33 PM | — |
| 2 | Waxing Gibbous | 62% | 2:23 PM | 12:21 AM |
| 3 | Waxing Gibbous | 71% | 3:31 PM | 12:57 AM |
| 4 | Waxing Gibbous | 79% | 4:20 PM | 1:38 AM |
| 5 | Waxing Gibbous | 87% | 5:11 PM | 2:23 AM |
| 6 | Waxing Gibbous | 93% | 5:57 PM | 3:32 AM |
| 7 | Waxing Gibbous | 97% | 6:30 PM | 4:22 AM |
| 8 | Full Moon | 99% | 7:31 PM | 5:33 AM |
| 9 | Full Moon | 100% | 7:49 PM | 6:25 AM |
| 10 | Waning Gibbous | 98% | 8:25 PM | 7:37 AM |
| 11 | Waning Gibbous | 93% | 8:43 PM | 8:35 AM |
| 12 | Waning Gibbous | 86% | 9:33 PM | 9:48 AM |
| 13 | Waning Gibbous | 77% | 9:48 PM | 11:10 AM |
| 14 | Waning Gibbous | 67% | 10:25 PM | 12:18 PM |
| 15 | Last Quarter | 55% | 11:14 PM | 1:34 PM |
| 16 | Last Quarter | 43% | 11:49 PM | 2:34 PM |
| 17 | Waning Crescent | 32% | — | 3:56 PM |
| 18 | Waning Crescent | 22% | 12:37 AM | 5:09 PM |
| 19 | Waning Crescent | 13% | 1:50 AM | 5:57 PM |
| 20 | Waning Crescent | 6% | 3:08 AM | 6:32 PM |
| 21 | Waning Crescent | 2% | 4:18 AM | 7:30 PM |
| 22 | New Moon | 0% | 5:32 AM | 7:54 PM |
| 23 | New Moon | 0% | 6:25 AM | 8:19 PM |
| 24 | Waxing Crescent | 3% | 7:35 AM | 8:29 PM |
| 25 | Waxing Crescent | 7% | 8:25 AM | 9:14 PM |
| 26 | Waxing Crescent | 13% | 9:33 AM | 9:33 PM |
| 27 | Waxing Crescent | 20% | 10:22 AM | 9:49 PM |
| 28 | Waxing Crescent | 28% | 11:28 AM | 10:21 PM |
| 29 | Waxing Crescent | 37% | 12:18 PM | 10:53 PM |
| 30 | First Quarter | 46% | 1:21 PM | 11:36 PM |
| 31 | First Quarter | 56% | 2:04 PM | — |
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Frequently asked questions
When is the full moon in August 2025 in Riverside, California, United States?
The full moon peaks on Saturday, August 9, 2025, 1:33 AM (local time).
When is the new moon in August 2025?
The new moon falls on Friday, August 22, 2025, 8:32 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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