Moon · August 2027
Moon calendar for Helena, Montana, United States: August 2027
Daily moon phases, illumination, moonrise and moonset in Helena, Montana, United States for August 2027. Full moon: August 17, 2027. All times are shown in the local time of Helena, Montana, United States.
Full moonTuesday, August 17, 2027, 2:36 AM
New moonMonday, August 2, 2027, 3:23 AM
New moonTuesday, August 31, 2027, 9:42 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | New Moon | 1% | 4:25 AM | 9:23 PM |
| 2 | New Moon | 0% | 5:58 AM | 9:38 PM |
| 3 | Waxing Crescent | 3% | 7:32 AM | 10:01 PM |
| 4 | Waxing Crescent | 8% | 8:33 AM | 10:20 PM |
| 5 | Waxing Crescent | 15% | 10:08 AM | 10:29 PM |
| 6 | Waxing Crescent | 24% | 11:31 AM | 11:03 PM |
| 7 | Waxing Crescent | 34% | 12:28 PM | 11:32 PM |
| 8 | First Quarter | 45% | 1:48 PM | 11:47 PM |
| 9 | First Quarter | 55% | 3:09 PM | — |
| 10 | Waxing Gibbous | 65% | 4:01 PM | 12:23 AM |
| 11 | Waxing Gibbous | 74% | 5:21 PM | 1:16 AM |
| 12 | Waxing Gibbous | 82% | 6:01 PM | 1:57 AM |
| 13 | Waxing Gibbous | 89% | 6:30 PM | 2:51 AM |
| 14 | Waxing Gibbous | 94% | 7:20 PM | 3:57 AM |
| 15 | Waxing Gibbous | 98% | 7:38 PM | 5:07 AM |
| 16 | Full Moon | 100% | 7:57 PM | 6:11 AM |
| 17 | Full Moon | 100% | 8:20 PM | 7:25 AM |
| 18 | Waning Gibbous | 98% | 8:26 PM | 8:19 AM |
| 19 | Waning Gibbous | 95% | 8:38 PM | 9:32 AM |
| 20 | Waning Gibbous | 89% | 9:16 PM | 10:24 AM |
| 21 | Waning Gibbous | 82% | 9:33 PM | 11:39 AM |
| 22 | Waning Gibbous | 73% | 9:45 PM | 12:47 PM |
| 23 | Waning Gibbous | 63% | 10:17 PM | 2:13 PM |
| 24 | Last Quarter | 53% | 10:49 PM | 3:36 PM |
| 25 | Last Quarter | 41% | 11:44 PM | 4:34 PM |
| 26 | Waning Crescent | 30% | — | 5:45 PM |
| 27 | Waning Crescent | 20% | 12:45 AM | 6:27 PM |
| 28 | Waning Crescent | 12% | 1:52 AM | 7:21 PM |
| 29 | Waning Crescent | 5% | 3:37 AM | 7:39 PM |
| 30 | Waning Crescent | 1% | 5:03 AM | 8:05 PM |
| 31 | New Moon | 0% | 6:23 AM | 8:22 PM |
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Frequently asked questions
When is the full moon in August 2027 in Helena, Montana, United States?
The full moon peaks on Tuesday, August 17, 2027, 2:36 AM (local time).
When is the new moon in August 2027?
The new moon falls on Monday, August 2, 2027, 3:23 AM; Tuesday, August 31, 2027, 9:42 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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