Moon · January 2025
Moon calendar for Boulder, Colorado, United States: January 2025
Daily moon phases, illumination, moonrise and moonset in Boulder, Colorado, United States for January 2025. Full moon: January 13, 2025. All times are shown in the local time of Boulder, Colorado, United States.
Full moonMonday, January 13, 2025, 10:24 AM
New moonWednesday, January 29, 2025, 7:44 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Crescent | 4% | 8:30 AM | 6:54 PM |
| 2 | Waxing Crescent | 9% | 9:28 AM | 8:14 PM |
| 3 | Waxing Crescent | 16% | 9:43 AM | 9:32 PM |
| 4 | Waxing Crescent | 26% | 10:19 AM | 10:27 PM |
| 5 | Waxing Crescent | 37% | 10:29 AM | 11:42 PM |
| 6 | First Quarter | 48% | 11:12 AM | — |
| 7 | First Quarter | 60% | 11:36 AM | 1:18 AM |
| 8 | Waxing Gibbous | 71% | 12:00 PM | 2:23 AM |
| 9 | Waxing Gibbous | 81% | 12:26 PM | 3:42 AM |
| 10 | Waxing Gibbous | 89% | 1:28 PM | 5:10 AM |
| 11 | Waxing Gibbous | 95% | 2:10 PM | 6:18 AM |
| 12 | Waxing Gibbous | 99% | 3:24 PM | 7:29 AM |
| 13 | Full Moon | 100% | 4:22 PM | 8:11 AM |
| 14 | Waning Gibbous | 99% | 5:37 PM | 8:36 AM |
| 15 | Waning Gibbous | 96% | 6:33 PM | 9:28 AM |
| 16 | Waning Gibbous | 91% | 7:47 PM | 9:38 AM |
| 17 | Waning Gibbous | 84% | 8:44 PM | 10:03 AM |
| 18 | Waning Gibbous | 77% | 9:50 PM | 10:20 AM |
| 19 | Waning Gibbous | 68% | 10:44 PM | 10:28 AM |
| 20 | Last Quarter | 60% | 11:49 PM | 10:55 AM |
| 21 | Last Quarter | 50% | — | 11:30 AM |
| 22 | Last Quarter | 41% | 12:44 AM | 11:39 AM |
| 23 | Waning Crescent | 32% | 1:52 AM | 12:16 PM |
| 24 | Waning Crescent | 23% | 2:54 AM | 12:42 PM |
| 25 | Waning Crescent | 15% | 3:59 AM | 1:36 PM |
| 26 | Waning Crescent | 9% | 4:55 AM | 2:24 PM |
| 27 | Waning Crescent | 4% | 5:47 AM | 3:35 PM |
| 28 | New Moon | 1% | 6:27 AM | 4:30 PM |
| 29 | New Moon | 0% | 7:26 AM | 5:47 PM |
| 30 | Waxing Crescent | 2% | 7:43 AM | 7:15 PM |
| 31 | Waxing Crescent | 6% | 8:20 AM | 8:20 PM |
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Frequently asked questions
When is the full moon in January 2025 in Boulder, Colorado, United States?
The full moon peaks on Monday, January 13, 2025, 10:24 AM (local time).
When is the new moon in January 2025?
The new moon falls on Wednesday, January 29, 2025, 7:44 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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