Moon · August 2026
Moon calendar for Riverside, California, United States: August 2026
Daily moon phases, illumination, moonrise and moonset in Riverside, California, United States for August 2026. Full moon: August 28, 2026. All times are shown in the local time of Riverside, California, United States.
Full moonFriday, August 28, 2026, 12:00 AM
New moonWednesday, August 12, 2026, 8:40 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waning Gibbous | 90% | 9:30 PM | 9:25 AM |
| 2 | Waning Gibbous | 83% | 9:41 PM | 10:18 AM |
| 3 | Waning Gibbous | 74% | 10:19 PM | 11:30 AM |
| 4 | Waning Gibbous | 64% | 10:33 PM | 12:23 PM |
| 5 | Last Quarter | 52% | 11:32 PM | 1:37 PM |
| 6 | Last Quarter | 41% | — | 2:40 PM |
| 7 | Waning Crescent | 30% | 12:15 AM | 4:08 PM |
| 8 | Waning Crescent | 19% | 1:06 AM | 5:25 PM |
| 9 | Waning Crescent | 11% | 2:12 AM | 6:15 PM |
| 10 | Waning Crescent | 5% | 3:29 AM | 7:04 PM |
| 11 | New Moon | 1% | 4:26 AM | 7:38 PM |
| 12 | New Moon | 0% | 5:42 AM | 8:18 PM |
| 13 | Waxing Crescent | 2% | 6:47 AM | 8:33 PM |
| 14 | Waxing Crescent | 6% | 8:03 AM | 9:25 PM |
| 15 | Waxing Crescent | 12% | 9:12 AM | 9:36 PM |
| 16 | Waxing Crescent | 19% | 10:13 AM | 10:11 PM |
| 17 | Waxing Crescent | 28% | 11:18 AM | 10:26 PM |
| 18 | Waxing Crescent | 37% | 12:13 PM | 11:19 PM |
| 19 | First Quarter | 47% | 1:16 PM | 11:40 PM |
| 20 | First Quarter | 57% | 2:09 PM | — |
| 21 | Waxing Gibbous | 66% | 2:59 PM | 12:23 AM |
| 22 | Waxing Gibbous | 74% | 3:47 PM | 1:26 AM |
| 23 | Waxing Gibbous | 82% | 4:28 PM | 2:10 AM |
| 24 | Waxing Gibbous | 89% | 5:28 PM | 3:08 AM |
| 25 | Waxing Gibbous | 94% | 5:47 PM | 4:03 AM |
| 26 | Waxing Gibbous | 98% | 6:24 PM | 5:04 AM |
| 27 | Full Moon | 100% | 6:40 PM | 6:02 AM |
| 28 | Full Moon | 100% | 7:31 PM | 7:04 AM |
| 29 | Waning Gibbous | 97% | 7:42 PM | 8:05 AM |
| 30 | Waning Gibbous | 93% | 8:19 PM | 9:15 AM |
| 31 | Waning Gibbous | 86% | 8:32 PM | 10:15 AM |
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Frequently asked questions
When is the full moon in August 2026 in Riverside, California, United States?
The full moon peaks on Friday, August 28, 2026, 12:00 AM (local time).
When is the new moon in August 2026?
The new moon falls on Wednesday, August 12, 2026, 8:40 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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