Moon · August 2026
Moon calendar for Vallejo, California, United States: August 2026
Daily moon phases, illumination, moonrise and moonset in Vallejo, California, United States for August 2026. Full moon: August 28, 2026. All times are shown in the local time of Vallejo, 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% | 9:38 PM | 9:34 AM |
| 2 | Waning Gibbous | 83% | 10:04 PM | 10:27 AM |
| 3 | Waning Gibbous | 74% | 10:25 PM | 11:40 AM |
| 4 | Waning Gibbous | 64% | 10:51 PM | 12:50 PM |
| 5 | Last Quarter | 52% | 11:35 PM | 2:14 PM |
| 6 | Last Quarter | 41% | — | 3:34 PM |
| 7 | Waning Crescent | 30% | 12:16 AM | 4:32 PM |
| 8 | Waning Crescent | 19% | 1:13 AM | 5:44 PM |
| 9 | Waning Crescent | 11% | 2:13 AM | 6:38 PM |
| 10 | Waning Crescent | 5% | 3:31 AM | 7:36 PM |
| 11 | New Moon | 1% | 4:29 AM | 8:16 PM |
| 12 | New Moon | 0% | 5:53 AM | 8:31 PM |
| 13 | Waxing Crescent | 2% | 7:20 AM | 9:21 PM |
| 14 | Waxing Crescent | 6% | 8:22 AM | 9:34 PM |
| 15 | Waxing Crescent | 12% | 9:34 AM | 9:55 PM |
| 16 | Waxing Crescent | 19% | 10:26 AM | 10:21 PM |
| 17 | Waxing Crescent | 28% | 11:36 AM | 10:38 PM |
| 18 | Waxing Crescent | 37% | 12:27 PM | 11:29 PM |
| 19 | First Quarter | 47% | 1:38 PM | 11:48 PM |
| 20 | First Quarter | 57% | 2:28 PM | — |
| 21 | Waxing Gibbous | 66% | 3:36 PM | 12:26 AM |
| 22 | Waxing Gibbous | 74% | 4:23 PM | 1:30 AM |
| 23 | Waxing Gibbous | 82% | 5:50 PM | 2:16 AM |
| 24 | Waxing Gibbous | 89% | 5:44 PM | 3:23 AM |
| 25 | Waxing Gibbous | 94% | 6:22 PM | 4:15 AM |
| 26 | Waxing Gibbous | 98% | 6:37 PM | 5:26 AM |
| 27 | Full Moon | 100% | 7:27 PM | 6:18 AM |
| 28 | Full Moon | 100% | 7:39 PM | 7:30 AM |
| 29 | Waning Gibbous | 97% | 8:08 PM | 8:21 AM |
| 30 | Waning Gibbous | 93% | 8:25 PM | 9:33 AM |
| 31 | Waning Gibbous | 86% | 8:49 PM | 10:28 AM |
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Frequently asked questions
When is the full moon in August 2026 in Vallejo, 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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