Moon · December 2026
Moon calendar for Napa, California, United States: December 2026
Daily moon phases, illumination, moonrise and moonset in Napa, California, United States for December 2026. Full moon: December 23, 2026. All times are shown in the local time of Napa, California, United States.
Full moonWednesday, December 23, 2026, 5:16 PM
New moonTuesday, December 8, 2026, 3:17 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Last Quarter | 45% | — | 1:15 PM |
| 2 | Waning Crescent | 34% | 12:27 AM | 1:33 PM |
| 3 | Waning Crescent | 24% | 1:40 AM | 1:50 PM |
| 4 | Waning Crescent | 16% | 2:35 AM | 2:21 PM |
| 5 | Waning Crescent | 9% | 3:48 AM | 2:37 PM |
| 6 | Waning Crescent | 4% | 4:49 AM | 3:32 PM |
| 7 | Waning Crescent | 1% | 5:56 AM | 4:04 PM |
| 8 | New Moon | 0% | 6:52 AM | 4:37 PM |
| 9 | New Moon | 1% | 7:47 AM | 5:38 PM |
| 10 | Waxing Crescent | 3% | 8:28 AM | 6:26 PM |
| 11 | Waxing Crescent | 7% | 9:29 AM | 7:35 PM |
| 12 | Waxing Crescent | 13% | 9:49 AM | 8:25 PM |
| 13 | Waxing Crescent | 20% | 10:23 AM | 9:35 PM |
| 14 | Waxing Crescent | 28% | 10:37 AM | 10:26 PM |
| 15 | Waxing Crescent | 37% | 11:26 AM | 11:36 PM |
| 16 | First Quarter | 47% | 11:38 AM | — |
| 17 | First Quarter | 58% | 12:02 PM | 12:29 AM |
| 18 | Waxing Gibbous | 68% | 12:25 PM | 1:41 AM |
| 19 | Waxing Gibbous | 78% | 12:46 PM | 2:48 AM |
| 20 | Waxing Gibbous | 86% | 1:34 PM | 4:11 AM |
| 21 | Waxing Gibbous | 93% | 2:13 PM | 5:32 AM |
| 22 | Waxing Gibbous | 98% | 3:05 PM | 6:28 AM |
| 23 | Full Moon | 100% | 4:10 PM | 7:42 AM |
| 24 | Full Moon | 99% | 5:28 PM | 8:32 AM |
| 25 | Waning Gibbous | 96% | 6:27 PM | 9:34 AM |
| 26 | Waning Gibbous | 90% | 7:49 PM | 10:11 AM |
| 27 | Waning Gibbous | 82% | 9:40 PM | 10:28 AM |
| 28 | Waning Gibbous | 72% | 10:22 PM | 11:17 AM |
| 29 | Waning Gibbous | 61% | 11:35 PM | 11:34 AM |
| 30 | Last Quarter | 51% | — | 11:53 AM |
| 31 | Last Quarter | 40% | 12:27 AM | 12:21 PM |
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Frequently asked questions
When is the full moon in December 2026 in Napa, California, United States?
The full moon peaks on Wednesday, December 23, 2026, 5:16 PM (local time).
When is the new moon in December 2026?
The new moon falls on Tuesday, December 8, 2026, 3:17 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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