Moon · May 2026
Moon calendar for Riverside, California, United States: May 2026
Daily moon phases, illumination, moonrise and moonset in Riverside, California, United States for May 2026. Full moon: May 1, 2026, May 31, 2026. All times are shown in the local time of Riverside, 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% | 7:43 PM | 6:05 AM |
| 2 | Waning Gibbous | 99% | 8:33 PM | 6:26 AM |
| 3 | Waning Gibbous | 96% | 9:40 PM | 7:26 AM |
| 4 | Waning Gibbous | 91% | 10:27 PM | 7:56 AM |
| 5 | Waning Gibbous | 85% | 11:33 PM | 8:38 AM |
| 6 | Waning Gibbous | 78% | — | 9:39 AM |
| 7 | Waning Gibbous | 69% | 12:07 AM | 10:30 AM |
| 8 | Last Quarter | 60% | 12:34 AM | 11:38 AM |
| 9 | Last Quarter | 50% | 1:32 AM | 12:31 PM |
| 10 | Waning Crescent | 40% | 1:47 AM | 1:39 PM |
| 11 | Waning Crescent | 29% | 2:23 AM | 2:35 PM |
| 12 | Waning Crescent | 20% | 2:35 AM | 3:42 PM |
| 13 | Waning Crescent | 12% | 3:28 AM | 4:54 PM |
| 14 | Waning Crescent | 6% | 3:42 AM | 6:11 PM |
| 15 | Waning Crescent | 2% | 4:22 AM | 7:30 PM |
| 16 | New Moon | 0% | 4:52 AM | 8:26 PM |
| 17 | Waxing Crescent | 2% | 5:41 AM | 9:43 PM |
| 18 | Waxing Crescent | 6% | 6:29 AM | 10:44 PM |
| 19 | Waxing Crescent | 12% | 7:43 AM | 11:38 PM |
| 20 | Waxing Crescent | 21% | 8:57 AM | — |
| 21 | Waxing Crescent | 31% | 10:17 AM | 12:27 AM |
| 22 | First Quarter | 42% | 11:33 AM | 1:27 AM |
| 23 | First Quarter | 53% | 12:27 PM | 1:41 AM |
| 24 | Waxing Gibbous | 64% | 1:38 PM | 2:18 AM |
| 25 | Waxing Gibbous | 73% | 2:29 PM | 2:30 AM |
| 26 | Waxing Gibbous | 82% | 3:39 PM | 3:20 AM |
| 27 | Waxing Gibbous | 89% | 4:29 PM | 3:34 AM |
| 28 | Waxing Gibbous | 94% | 5:38 PM | 4:07 AM |
| 29 | Waxing Gibbous | 98% | 6:27 PM | 4:26 AM |
| 30 | Full Moon | 100% | 7:37 PM | 5:24 AM |
| 31 | Full Moon | 100% | 8:25 PM | 5:48 AM |
Another city or date
Frequently asked questions
When is the full moon in May 2026 in Riverside, 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 Riverside, California, United States
Near Riverside
- Fontana, California, United States
- Moreno Valley, California, United States
- San Bernardino, California, United States
- Corona, California, United States
- Rancho Cucamonga, California, United States
- Ontario, California, United States
- Pomona, California, United States
- Murrieta, California, United States
- Fullerton, California, United States
- Anaheim, California, United States
- Santa Ana, California, United States
- Irvine, California, United States