Moon · May 2026
Moon calendar for Billings, Montana, United States: May 2026
Daily moon phases, illumination, moonrise and moonset in Billings, Montana, United States for May 2026. Full moon: May 1, 2026, May 31, 2026. All times are shown in the local time of Billings, Montana, 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% | 8:29 PM | 6:02 AM |
| 2 | Waning Gibbous | 99% | 9:43 PM | 6:23 AM |
| 3 | Waning Gibbous | 96% | 10:36 PM | 6:57 AM |
| 4 | Waning Gibbous | 91% | 11:41 PM | 7:39 AM |
| 5 | Waning Gibbous | 85% | — | 8:23 AM |
| 6 | Waning Gibbous | 78% | 12:24 AM | 9:32 AM |
| 7 | Waning Gibbous | 70% | 1:12 AM | 10:24 AM |
| 8 | Last Quarter | 60% | 1:41 AM | 11:37 AM |
| 9 | Last Quarter | 50% | 2:16 AM | 12:34 PM |
| 10 | Last Quarter | 40% | 2:25 AM | 1:52 PM |
| 11 | Waning Crescent | 30% | 2:40 AM | 3:18 PM |
| 12 | Waning Crescent | 20% | 3:20 AM | 4:21 PM |
| 13 | Waning Crescent | 12% | 3:34 AM | 5:38 PM |
| 14 | Waning Crescent | 6% | 3:44 AM | 6:57 PM |
| 15 | Waning Crescent | 2% | 4:21 AM | 8:21 PM |
| 16 | New Moon | 0% | 4:27 AM | 9:44 PM |
| 17 | Waxing Crescent | 1% | 5:19 AM | 11:15 PM |
| 18 | Waxing Crescent | 5% | 6:07 AM | — |
| 19 | Waxing Crescent | 12% | 7:21 AM | 12:16 AM |
| 20 | Waxing Crescent | 20% | 8:23 AM | 1:14 AM |
| 21 | Waxing Crescent | 30% | 9:51 AM | 1:43 AM |
| 22 | First Quarter | 41% | 11:27 AM | 2:15 AM |
| 23 | First Quarter | 52% | 12:27 PM | 2:26 AM |
| 24 | Waxing Gibbous | 63% | 1:47 PM | 2:43 AM |
| 25 | Waxing Gibbous | 73% | 3:07 PM | 3:21 AM |
| 26 | Waxing Gibbous | 82% | 4:16 PM | 3:33 AM |
| 27 | Waxing Gibbous | 89% | 5:30 PM | 3:41 AM |
| 28 | Waxing Gibbous | 94% | 6:24 PM | 4:08 AM |
| 29 | Waxing Gibbous | 98% | 7:37 PM | 4:24 AM |
| 30 | Full Moon | 100% | 8:28 PM | 4:57 AM |
| 31 | Full Moon | 100% | 9:37 PM | 5:38 AM |
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Frequently asked questions
When is the full moon in May 2026 in Billings, Montana, 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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