Moon · June 2025
Moon calendar for Boulder, Colorado, United States: June 2025
Daily moon phases, illumination, moonrise and moonset in Boulder, Colorado, United States for June 2025. Full moon: June 11, 2025. All times are shown in the local time of Boulder, Colorado, United States.
Full moonWednesday, June 11, 2025, 3:35 AM
New moonWednesday, June 25, 2025, 2:10 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Crescent | 36% | 10:41 AM | 1:28 AM |
| 2 | First Quarter | 46% | 11:58 AM | 1:38 AM |
| 3 | First Quarter | 56% | 1:09 PM | 2:05 AM |
| 4 | Waxing Gibbous | 65% | 2:10 PM | 2:21 AM |
| 5 | Waxing Gibbous | 74% | 3:13 PM | 2:29 AM |
| 6 | Waxing Gibbous | 82% | 4:10 PM | 3:03 AM |
| 7 | Waxing Gibbous | 89% | 5:14 PM | 3:31 AM |
| 8 | Waxing Gibbous | 94% | 6:12 PM | 3:43 AM |
| 9 | Waxing Gibbous | 97% | 7:20 PM | 4:19 AM |
| 10 | Full Moon | 99% | 8:13 PM | 4:49 AM |
| 11 | Full Moon | 100% | 9:09 PM | 5:39 AM |
| 12 | Waning Gibbous | 98% | 9:50 PM | 6:27 AM |
| 13 | Waning Gibbous | 94% | 10:27 PM | 7:37 AM |
| 14 | Waning Gibbous | 89% | 11:24 PM | 8:33 AM |
| 15 | Waning Gibbous | 81% | 11:41 PM | 9:49 AM |
| 16 | Waning Gibbous | 71% | — | 11:13 AM |
| 17 | Waning Gibbous | 61% | 12:16 AM | 12:19 PM |
| 18 | Last Quarter | 49% | 12:28 AM | 1:33 PM |
| 19 | Waning Crescent | 38% | 1:02 AM | 2:31 PM |
| 20 | Waning Crescent | 27% | 1:34 AM | 4:01 PM |
| 21 | Waning Crescent | 17% | 1:50 AM | 5:30 PM |
| 22 | Waning Crescent | 9% | 2:23 AM | 6:30 PM |
| 23 | Waning Crescent | 4% | 3:16 AM | 7:54 PM |
| 24 | New Moon | 1% | 3:56 AM | 9:11 PM |
| 25 | New Moon | 0% | 4:59 AM | 10:01 PM |
| 26 | Waxing Crescent | 3% | 6:22 AM | 10:33 PM |
| 27 | Waxing Crescent | 7% | 7:32 AM | 11:29 PM |
| 28 | Waxing Crescent | 14% | 8:27 AM | 11:40 PM |
| 29 | Waxing Crescent | 22% | 9:43 AM | — |
| 30 | Waxing Crescent | 31% | 10:41 AM | 12:10 AM |
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Frequently asked questions
When is the full moon in June 2025 in Boulder, Colorado, United States?
The full moon peaks on Wednesday, June 11, 2025, 3:35 AM (local time).
When is the new moon in June 2025?
The new moon falls on Wednesday, June 25, 2025, 2:10 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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