Moon · December 2025
Moon calendar for Oceanside, California, United States: December 2025
Daily moon phases, illumination, moonrise and moonset in Oceanside, California, United States for December 2025. Full moon: December 4, 2025. All times are shown in the local time of Oceanside, California, United States.
Full moonThursday, December 4, 2025, 3:18 PM
New moonFriday, December 19, 2025, 6:59 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Gibbous | 87% | 1:47 PM | 3:27 AM |
| 2 | Waxing Gibbous | 94% | 2:25 PM | 4:23 AM |
| 3 | Waxing Gibbous | 98% | 3:16 PM | 5:38 AM |
| 4 | Full Moon | 100% | 4:03 PM | 6:50 AM |
| 5 | Waning Gibbous | 99% | 5:05 PM | 8:10 AM |
| 6 | Waning Gibbous | 95% | 6:15 PM | 9:19 AM |
| 7 | Waning Gibbous | 89% | 7:31 PM | 10:02 AM |
| 8 | Waning Gibbous | 81% | 8:26 PM | 10:31 AM |
| 9 | Waning Gibbous | 72% | 9:39 PM | 11:29 AM |
| 10 | Waning Gibbous | 62% | 10:31 PM | 11:42 AM |
| 11 | Last Quarter | 51% | 11:41 PM | 12:18 PM |
| 12 | Last Quarter | 41% | — | 12:28 PM |
| 13 | Waning Crescent | 32% | 12:31 AM | 1:14 PM |
| 14 | Waning Crescent | 23% | 1:39 AM | 1:33 PM |
| 15 | Waning Crescent | 15% | 2:28 AM | 1:59 PM |
| 16 | Waning Crescent | 9% | 3:37 AM | 2:24 PM |
| 17 | Waning Crescent | 5% | 4:26 AM | 3:19 PM |
| 18 | Waning Crescent | 2% | 5:35 AM | 3:43 PM |
| 19 | New Moon | 0% | 6:23 AM | 4:29 PM |
| 20 | New Moon | 1% | 7:26 AM | 5:36 PM |
| 21 | Waxing Crescent | 3% | 8:02 AM | 6:26 PM |
| 22 | Waxing Crescent | 7% | 8:30 AM | 7:36 PM |
| 23 | Waxing Crescent | 13% | 9:30 AM | 8:28 PM |
| 24 | Waxing Crescent | 21% | 9:46 AM | 9:38 PM |
| 25 | Waxing Crescent | 30% | 10:24 AM | 10:34 PM |
| 26 | First Quarter | 41% | 10:38 AM | 11:42 PM |
| 27 | First Quarter | 52% | 11:31 AM | — |
| 28 | Waxing Gibbous | 64% | 11:45 AM | 12:58 AM |
| 29 | Waxing Gibbous | 74% | 12:24 PM | 2:13 AM |
| 30 | Waxing Gibbous | 84% | 1:09 PM | 3:31 AM |
| 31 | Waxing Gibbous | 91% | 1:47 PM | 4:27 AM |
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Frequently asked questions
When is the full moon in December 2025 in Oceanside, California, United States?
The full moon peaks on Thursday, December 4, 2025, 3:18 PM (local time).
When is the new moon in December 2025?
The new moon falls on Friday, December 19, 2025, 6:59 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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