Moon · May 2026
Moon calendar for Boise, Idaho, United States: May 2026
Daily moon phases, illumination, moonrise and moonset in Boise, Idaho, United States for May 2026. Full moon: May 1, 2026, May 31, 2026. All times are shown in the local time of Boise, Idaho, United States.
Full moonFriday, May 1, 2026, 11:27 AM
Full moonSunday, May 31, 2026, 2:55 AM
New moonSaturday, May 16, 2026, 1:30 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Full Moon | 100% | 9:14 PM | 6:28 AM |
| 2 | Waning Gibbous | 99% | 10:11 PM | 7:13 AM |
| 3 | Waning Gibbous | 96% | 11:17 PM | 7:39 AM |
| 4 | Waning Gibbous | 91% | — | 8:19 AM |
| 5 | Waning Gibbous | 85% | 12:08 AM | 9:18 AM |
| 6 | Waning Gibbous | 78% | 12:45 AM | 10:08 AM |
| 7 | Waning Gibbous | 70% | 1:36 AM | 11:17 AM |
| 8 | Last Quarter | 60% | 2:12 AM | 12:16 PM |
| 9 | Last Quarter | 50% | 2:27 AM | 1:31 PM |
| 10 | Last Quarter | 40% | 2:58 AM | 2:24 PM |
| 11 | Waning Crescent | 30% | 3:31 AM | 3:38 PM |
| 12 | Waning Crescent | 20% | 3:40 AM | 4:41 PM |
| 13 | Waning Crescent | 12% | 4:04 AM | 6:10 PM |
| 14 | Waning Crescent | 6% | 4:23 AM | 7:33 PM |
| 15 | Waning Crescent | 2% | 4:36 AM | 8:37 PM |
| 16 | New Moon | 0% | 5:28 AM | 10:11 PM |
| 17 | Waxing Crescent | 1% | 5:57 AM | 11:35 PM |
| 18 | Waxing Crescent | 5% | 6:41 AM | — |
| 19 | Waxing Crescent | 12% | 7:55 AM | 12:28 AM |
| 20 | Waxing Crescent | 20% | 9:21 AM | 1:34 AM |
| 21 | Waxing Crescent | 30% | 10:26 AM | 2:09 AM |
| 22 | First Quarter | 41% | 11:54 AM | 2:27 AM |
| 23 | First Quarter | 52% | 1:23 PM | 3:02 AM |
| 24 | Waxing Gibbous | 63% | 2:24 PM | 3:31 AM |
| 25 | Waxing Gibbous | 73% | 3:37 PM | 3:37 AM |
| 26 | Waxing Gibbous | 82% | 4:30 PM | 3:58 AM |
| 27 | Waxing Gibbous | 89% | 5:45 PM | 4:19 AM |
| 28 | Waxing Gibbous | 94% | 6:46 PM | 4:30 AM |
| 29 | Waxing Gibbous | 98% | 7:57 PM | 5:15 AM |
| 30 | Full Moon | 100% | 9:01 PM | 5:38 AM |
| 31 | Full Moon | 100% | 9:56 PM | 6:17 AM |
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Frequently asked questions
When is the full moon in May 2026 in Boise, Idaho, United States?
The full moon peaks on Friday, May 1, 2026, 11:27 AM; Sunday, May 31, 2026, 2:55 AM (local time).
When is the new moon in May 2026?
The new moon falls on Saturday, May 16, 2026, 1:30 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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