Moon · August 2026
Moon calendar for Eureka, California, United States: August 2026
Daily moon phases, illumination, moonrise and moonset in Eureka, California, United States for August 2026. Full moon: August 28, 2026. All times are shown in the local time of Eureka, 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% | 9:42 PM | 9:37 AM |
| 2 | Waning Gibbous | 83% | 10:15 PM | 10:35 AM |
| 3 | Waning Gibbous | 74% | 10:26 PM | 11:53 AM |
| 4 | Waning Gibbous | 64% | 10:53 PM | 1:21 PM |
| 5 | Last Quarter | 52% | 11:35 PM | 2:23 PM |
| 6 | Last Quarter | 41% | — | 3:43 PM |
| 7 | Waning Crescent | 30% | 12:25 AM | 5:06 PM |
| 8 | Waning Crescent | 19% | 1:02 AM | 6:14 PM |
| 9 | Waning Crescent | 11% | 2:08 AM | 7:17 PM |
| 10 | Waning Crescent | 5% | 3:28 AM | 7:48 PM |
| 11 | New Moon | 1% | 4:28 AM | 8:23 PM |
| 12 | New Moon | 0% | 5:55 AM | 8:50 PM |
| 13 | Waxing Crescent | 2% | 7:24 AM | 9:30 PM |
| 14 | Waxing Crescent | 6% | 8:24 AM | 9:38 PM |
| 15 | Waxing Crescent | 12% | 9:37 AM | 10:08 PM |
| 16 | Waxing Crescent | 19% | 10:29 AM | 10:23 PM |
| 17 | Waxing Crescent | 28% | 11:42 AM | 10:49 PM |
| 18 | Waxing Crescent | 37% | 12:38 PM | 11:30 PM |
| 19 | First Quarter | 47% | 1:49 PM | 11:48 PM |
| 20 | First Quarter | 57% | 2:46 PM | — |
| 21 | Waxing Gibbous | 66% | 3:47 PM | 12:25 AM |
| 22 | Waxing Gibbous | 74% | 4:30 PM | 1:29 AM |
| 23 | Waxing Gibbous | 82% | 5:33 PM | 2:15 AM |
| 24 | Waxing Gibbous | 89% | 6:06 PM | 3:22 AM |
| 25 | Waxing Gibbous | 94% | 6:27 PM | 4:16 AM |
| 26 | Waxing Gibbous | 98% | 7:03 PM | 5:28 AM |
| 27 | Full Moon | 100% | 7:34 PM | 6:20 AM |
| 28 | Full Moon | 100% | 7:44 PM | 7:32 AM |
| 29 | Waning Gibbous | 97% | 8:14 PM | 8:25 AM |
| 30 | Waning Gibbous | 93% | 8:26 PM | 9:38 AM |
| 31 | Waning Gibbous | 86% | 8:54 PM | 10:39 AM |
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Frequently asked questions
When is the full moon in August 2026 in Eureka, 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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