Moon · May 2026
Moon calendar for Costa Mesa, California, United States: May 2026
Daily moon phases, illumination, moonrise and moonset in Costa Mesa, California, United States for May 2026. Full moon: May 1, 2026, May 31, 2026. All times are shown in the local time of Costa Mesa, 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% | 7:44 PM | 6:10 AM |
| 2 | Waning Gibbous | 99% | 8:34 PM | 6:28 AM |
| 3 | Waning Gibbous | 96% | 9:41 PM | 7:29 AM |
| 4 | Waning Gibbous | 91% | 10:28 PM | 8:03 AM |
| 5 | Waning Gibbous | 85% | 11:34 PM | 8:46 AM |
| 6 | Waning Gibbous | 78% | — | 9:41 AM |
| 7 | Waning Gibbous | 69% | 12:10 AM | 10:32 AM |
| 8 | Last Quarter | 60% | 12:36 AM | 11:40 AM |
| 9 | Last Quarter | 50% | 1:33 AM | 12:33 PM |
| 10 | Waning Crescent | 40% | 1:49 AM | 1:41 PM |
| 11 | Waning Crescent | 29% | 2:24 AM | 2:39 PM |
| 12 | Waning Crescent | 20% | 2:38 AM | 3:46 PM |
| 13 | Waning Crescent | 12% | 3:30 AM | 4:59 PM |
| 14 | Waning Crescent | 6% | 3:44 AM | 6:12 PM |
| 15 | Waning Crescent | 2% | 4:23 AM | 7:31 PM |
| 16 | New Moon | 0% | 5:01 AM | 8:26 PM |
| 17 | Waxing Crescent | 2% | 5:44 AM | 9:44 PM |
| 18 | Waxing Crescent | 6% | 6:32 AM | 10:46 PM |
| 19 | Waxing Crescent | 12% | 7:47 AM | 11:42 PM |
| 20 | Waxing Crescent | 21% | 9:06 AM | — |
| 21 | Waxing Crescent | 31% | 10:20 AM | 12:28 AM |
| 22 | First Quarter | 42% | 11:35 AM | 1:28 AM |
| 23 | First Quarter | 53% | 12:27 PM | 1:43 AM |
| 24 | Waxing Gibbous | 64% | 1:39 PM | 2:19 AM |
| 25 | Waxing Gibbous | 73% | 2:30 PM | 2:32 AM |
| 26 | Waxing Gibbous | 82% | 3:39 PM | 3:23 AM |
| 27 | Waxing Gibbous | 89% | 4:29 PM | 3:35 AM |
| 28 | Waxing Gibbous | 94% | 5:39 PM | 4:10 AM |
| 29 | Waxing Gibbous | 98% | 6:28 PM | 4:27 AM |
| 30 | Full Moon | 100% | 7:37 PM | 5:27 AM |
| 31 | Full Moon | 100% | 8:25 PM | 5:54 AM |
Another city or date
Frequently asked questions
When is the full moon in May 2026 in Costa Mesa, 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
More for Costa Mesa, California, United States
Near Costa Mesa
- Huntington Beach, California, United States
- Irvine, California, United States
- Santa Ana, California, United States
- Garden Grove, California, United States
- Anaheim, California, United States
- Fullerton, California, United States
- Long Beach, California, United States
- Corona, California, United States
- Torrance, California, United States
- Pomona, California, United States
- Ontario, California, United States
- Inglewood, California, United States