Moon · April 2027
Moon calendar for Boulder, Colorado, United States: April 2027
Daily moon phases, illumination, moonrise and moonset in Boulder, Colorado, United States for April 2027. Full moon: April 20, 2027. All times are shown in the local time of Boulder, Colorado, United States.
Full moonTuesday, April 20, 2027, 3:58 PM
New moonTuesday, April 6, 2027, 6:37 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waning Crescent | 25% | 3:47 AM | 2:29 PM |
| 2 | Waning Crescent | 18% | 4:21 AM | 3:38 PM |
| 3 | Waning Crescent | 11% | 4:30 AM | 4:30 PM |
| 4 | Waning Crescent | 6% | 5:09 AM | 5:40 PM |
| 5 | Waning Crescent | 2% | 5:34 AM | 6:37 PM |
| 6 | New Moon | 0% | 5:43 AM | 7:49 PM |
| 7 | New Moon | 1% | 6:17 AM | 9:12 PM |
| 8 | Waxing Crescent | 4% | 6:29 AM | 10:19 PM |
| 9 | Waxing Crescent | 9% | 7:26 AM | 11:36 PM |
| 10 | Waxing Crescent | 16% | 7:58 AM | — |
| 11 | Waxing Crescent | 26% | 8:46 AM | 12:34 AM |
| 12 | Waxing Crescent | 37% | 10:01 AM | 1:44 AM |
| 13 | First Quarter | 48% | 11:26 AM | 2:31 AM |
| 14 | First Quarter | 60% | 12:26 PM | 3:33 AM |
| 15 | Waxing Gibbous | 71% | 1:50 PM | 3:58 AM |
| 16 | Waxing Gibbous | 81% | 3:21 PM | 4:23 AM |
| 17 | Waxing Gibbous | 89% | 4:23 PM | 4:46 AM |
| 18 | Waxing Gibbous | 95% | 5:36 PM | 5:30 AM |
| 19 | Waxing Gibbous | 99% | 6:30 PM | 5:39 AM |
| 20 | Full Moon | 100% | 7:45 PM | 6:14 AM |
| 21 | Waning Gibbous | 99% | 8:49 PM | 6:29 AM |
| 22 | Waning Gibbous | 96% | 10:00 PM | 7:26 AM |
| 23 | Waning Gibbous | 91% | 11:01 PM | 7:49 AM |
| 24 | Waning Gibbous | 85% | 11:51 PM | 8:30 AM |
| 25 | Waning Gibbous | 77% | — | 9:36 AM |
| 26 | Waning Gibbous | 69% | 12:30 AM | 10:24 AM |
| 27 | Last Quarter | 60% | 1:30 AM | 11:34 AM |
| 28 | Last Quarter | 50% | 1:48 AM | 12:24 PM |
| 29 | Last Quarter | 41% | 2:22 AM | 1:34 PM |
| 30 | Waning Crescent | 32% | 2:32 AM | 2:25 PM |
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Frequently asked questions
When is the full moon in April 2027 in Boulder, Colorado, United States?
The full moon peaks on Tuesday, April 20, 2027, 3:58 PM (local time).
When is the new moon in April 2027?
The new moon falls on Tuesday, April 6, 2027, 6:37 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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