Moon · January 2026
Moon calendar for Costa Mesa, California, United States: January 2026
Daily moon phases, illumination, moonrise and moonset in Costa Mesa, California, United States for January 2026. Full moon: January 2, 2026. All times are shown in the local time of Costa Mesa, California, United States.
Full moonFriday, January 2, 2026, 11:13 PM
New moonSunday, January 18, 2026, 2:11 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Gibbous | 97% | 2:36 PM | 5:49 AM |
| 2 | Full Moon | 99% | 3:51 PM | 7:00 AM |
| 3 | Full Moon | 100% | 5:13 PM | 7:52 AM |
| 4 | Waning Gibbous | 97% | 6:20 PM | 8:30 AM |
| 5 | Waning Gibbous | 92% | 7:34 PM | 9:30 AM |
| 6 | Waning Gibbous | 85% | 8:27 PM | 9:45 AM |
| 7 | Waning Gibbous | 77% | 9:38 PM | 10:20 AM |
| 8 | Waning Gibbous | 68% | 10:28 PM | 10:32 AM |
| 9 | Last Quarter | 58% | 11:37 PM | 11:22 AM |
| 10 | Last Quarter | 49% | — | 11:34 AM |
| 11 | Waning Crescent | 39% | 12:26 AM | 12:04 PM |
| 12 | Waning Crescent | 30% | 1:35 AM | 12:25 PM |
| 13 | Waning Crescent | 22% | 2:24 AM | 1:18 PM |
| 14 | Waning Crescent | 15% | 3:33 AM | 1:43 PM |
| 15 | Waning Crescent | 9% | 4:21 AM | 2:26 PM |
| 16 | Waning Crescent | 4% | 5:22 AM | 3:33 PM |
| 17 | Waning Crescent | 1% | 5:59 AM | 4:22 PM |
| 18 | New Moon | 0% | 6:31 AM | 5:32 PM |
| 19 | New Moon | 1% | 7:31 AM | 6:23 PM |
| 20 | Waxing Crescent | 4% | 7:49 AM | 7:34 PM |
| 21 | Waxing Crescent | 9% | 8:24 AM | 8:25 PM |
| 22 | Waxing Crescent | 16% | 8:41 AM | 9:36 PM |
| 23 | Waxing Crescent | 25% | 9:32 AM | 10:33 PM |
| 24 | Waxing Crescent | 36% | 9:45 AM | 11:49 PM |
| 25 | First Quarter | 47% | 10:23 AM | — |
| 26 | First Quarter | 59% | 10:57 AM | 1:17 AM |
| 27 | Waxing Gibbous | 70% | 11:41 AM | 2:21 AM |
| 28 | Waxing Gibbous | 80% | 12:27 PM | 3:37 AM |
| 29 | Waxing Gibbous | 89% | 1:38 PM | 4:35 AM |
| 30 | Waxing Gibbous | 95% | 2:35 PM | 5:42 AM |
| 31 | Waxing Gibbous | 99% | 4:00 PM | 6:27 AM |
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Frequently asked questions
When is the full moon in January 2026 in Costa Mesa, California, United States?
The full moon peaks on Friday, January 2, 2026, 11:13 PM (local time).
When is the new moon in January 2026?
The new moon falls on Sunday, January 18, 2026, 2:11 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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