Moon · May 2026
Moon calendar for Vallejo, California, United States: May 2026
Daily moon phases, illumination, moonrise and moonset in Vallejo, California, United States for May 2026. Full moon: May 1, 2026, May 31, 2026. All times are shown in the local time of Vallejo, California, United States.
Full moonFriday, May 1, 2026, 10:27 AM
Full moonSunday, May 31, 2026, 1:55 AM
New moonSaturday, May 16, 2026, 12:30 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Full Moon | 100% | 8:20 PM | 6:17 AM |
| 2 | Waning Gibbous | 99% | 9:28 PM | 6:34 AM |
| 3 | Waning Gibbous | 96% | 10:18 PM | 7:31 AM |
| 4 | Waning Gibbous | 91% | 11:20 PM | 8:08 AM |
| 5 | Waning Gibbous | 85% | 11:56 PM | 8:48 AM |
| 6 | Waning Gibbous | 78% | — | 9:47 AM |
| 7 | Waning Gibbous | 69% | 12:29 AM | 10:38 AM |
| 8 | Last Quarter | 60% | 1:28 AM | 11:47 AM |
| 9 | Last Quarter | 50% | 1:44 AM | 12:53 PM |
| 10 | Waning Crescent | 40% | 2:21 AM | 2:03 PM |
| 11 | Waning Crescent | 29% | 2:31 AM | 3:17 PM |
| 12 | Waning Crescent | 20% | 3:25 AM | 4:17 PM |
| 13 | Waning Crescent | 12% | 3:36 AM | 5:32 PM |
| 14 | Waning Crescent | 6% | 3:57 AM | 6:27 PM |
| 15 | Waning Crescent | 2% | 4:25 AM | 7:46 PM |
| 16 | New Moon | 0% | 5:10 AM | 9:20 PM |
| 17 | Waxing Crescent | 2% | 5:45 AM | 10:22 PM |
| 18 | Waxing Crescent | 6% | 6:32 AM | 11:36 PM |
| 19 | Waxing Crescent | 12% | 7:47 AM | — |
| 20 | Waxing Crescent | 21% | 9:10 AM | 12:23 AM |
| 21 | Waxing Crescent | 31% | 10:21 AM | 1:22 AM |
| 22 | First Quarter | 42% | 11:37 AM | 1:41 AM |
| 23 | First Quarter | 53% | 12:34 PM | 2:17 AM |
| 24 | Waxing Gibbous | 64% | 1:51 PM | 2:28 AM |
| 25 | Waxing Gibbous | 73% | 2:58 PM | 3:10 AM |
| 26 | Waxing Gibbous | 82% | 4:06 PM | 3:32 AM |
| 27 | Waxing Gibbous | 89% | 5:12 PM | 3:48 AM |
| 28 | Waxing Gibbous | 94% | 6:12 PM | 4:18 AM |
| 29 | Waxing Gibbous | 98% | 7:17 PM | 4:34 AM |
| 30 | Full Moon | 100% | 8:11 PM | 5:30 AM |
| 31 | Full Moon | 100% | 9:05 PM | 6:02 AM |
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Frequently asked questions
When is the full moon in May 2026 in Vallejo, California, United States?
The full moon peaks on Friday, May 1, 2026, 10:27 AM; Sunday, May 31, 2026, 1:55 AM (local time).
When is the new moon in May 2026?
The new moon falls on Saturday, May 16, 2026, 12:30 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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