Moon · February 2026
Moon calendar for Boulder, Colorado, United States: February 2026
Daily moon phases, illumination, moonrise and moonset in Boulder, Colorado, United States for February 2026. Full moon: February 1, 2026. All times are shown in the local time of Boulder, Colorado, United States.
Full moonSunday, February 1, 2026, 10:33 AM
New moonTuesday, February 17, 2026, 6:44 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Full Moon | 100% | 5:04 PM | 7:40 AM |
| 2 | Waning Gibbous | 99% | 6:19 PM | 8:16 AM |
| 3 | Waning Gibbous | 95% | 7:33 PM | 8:27 AM |
| 4 | Waning Gibbous | 90% | 8:26 PM | 8:58 AM |
| 5 | Waning Gibbous | 83% | 9:37 PM | 9:30 AM |
| 6 | Waning Gibbous | 75% | 10:28 PM | 9:37 AM |
| 7 | Waning Gibbous | 66% | 11:38 PM | 10:06 AM |
| 8 | Last Quarter | 57% | — | 10:23 AM |
| 9 | Last Quarter | 47% | 12:29 AM | 10:55 AM |
| 10 | Waning Crescent | 38% | 1:40 AM | 11:36 AM |
| 11 | Waning Crescent | 29% | 2:29 AM | 12:17 PM |
| 12 | Waning Crescent | 21% | 3:37 AM | 1:13 PM |
| 13 | Waning Crescent | 14% | 4:22 AM | 2:04 PM |
| 14 | Waning Crescent | 8% | 5:13 AM | 3:11 PM |
| 15 | Waning Crescent | 3% | 5:40 AM | 4:13 PM |
| 16 | New Moon | 1% | 6:17 AM | 5:28 PM |
| 17 | New Moon | 0% | 6:29 AM | 6:22 PM |
| 18 | Waxing Crescent | 2% | 7:11 AM | 7:34 PM |
| 19 | Waxing Crescent | 6% | 7:35 AM | 8:30 PM |
| 20 | Waxing Crescent | 12% | 7:47 AM | 9:50 PM |
| 21 | Waxing Crescent | 21% | 8:20 AM | 11:23 PM |
| 22 | Waxing Crescent | 31% | 8:34 AM | — |
| 23 | First Quarter | 42% | 9:31 AM | 12:24 AM |
| 24 | First Quarter | 54% | 10:10 AM | 1:45 AM |
| 25 | Waxing Gibbous | 66% | 11:06 AM | 3:10 AM |
| 26 | Waxing Gibbous | 76% | 12:13 PM | 4:11 AM |
| 27 | Waxing Gibbous | 85% | 1:33 PM | 5:02 AM |
| 28 | Waxing Gibbous | 92% | 2:31 PM | 5:39 AM |
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Frequently asked questions
When is the full moon in February 2026 in Boulder, Colorado, United States?
The full moon peaks on Sunday, February 1, 2026, 10:33 AM (local time).
When is the new moon in February 2026?
The new moon falls on Tuesday, February 17, 2026, 6:44 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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