Boulder, CO sky calendar · February 2027
Full moon: Sat, Feb 20. New moon: Sat, Feb 6. Sunrise moves from 7:09 AM to 6:35 AM, sunset from 5:20 PM to 5:51 PM. 6 sky events this month (below). Times are local (MST).
| Date | Sunrise | Sunset | Moonrise | Moonset | Moon |
|---|---|---|---|---|---|
| Mon, Feb 1 | 7:09 AM | 5:20 PM | 3:55 AM | 12:44 PM | Waning crescent · 20% |
| Tue, Feb 2 | 7:08 AM | 5:21 PM | 4:47 AM | 1:37 PM | Waning crescent · 13% |
| Wed, Feb 3 | 7:07 AM | 5:22 PM | 5:32 AM | 2:35 PM | Waning crescent · 7% |
| Thu, Feb 4 | 7:06 AM | 5:23 PM | 6:10 AM | 3:36 PM | Waning crescent · 3% |
| Fri, Feb 5 | 7:05 AM | 5:24 PM | 6:42 AM | 4:39 PM | Waning crescent · 1% |
| Sat, Feb 6 | 7:04 AM | 5:26 PM | 7:09 AM | 5:41 PM | New moon · 0% |
| Sun, Feb 7 | 7:03 AM | 5:27 PM | 7:32 AM | 6:43 PM | Waxing crescent · 1% |
| Mon, Feb 8 | 7:02 AM | 5:28 PM | 7:54 AM | 7:45 PM | Waxing crescent · 4% |
| Tue, Feb 9 | 7:01 AM | 5:29 PM | 8:15 AM | 8:48 PM | Waxing crescent · 9% |
| Wed, Feb 10 | 7:00 AM | 5:30 PM | 8:37 AM | 9:52 PM | Waxing crescent · 16% |
| Thu, Feb 11 | 6:58 AM | 5:32 PM | 9:00 AM | 10:58 PM | Waxing crescent · 24% |
| Fri, Feb 12 | 6:57 AM | 5:33 PM | 9:27 AM | — | Waxing crescent · 34% |
| Sat, Feb 13 | 6:56 AM | 5:34 PM | 9:59 AM | 12:08 AM | Waxing crescent · 44% |
| Sun, Feb 14 | 6:55 AM | 5:35 PM | 10:40 AM | 1:20 AM | First quarter · 55% |
| Mon, Feb 15 | 6:53 AM | 5:36 PM | 11:31 AM | 2:31 AM | Waxing gibbous · 66% |
| Tue, Feb 16 | 6:52 AM | 5:37 PM | 12:34 PM | 3:38 AM | Waxing gibbous · 77% |
| Wed, Feb 17 | 6:51 AM | 5:39 PM | 1:48 PM | 4:35 AM | Waxing gibbous · 86% |
| Thu, Feb 18 | 6:50 AM | 5:40 PM | 3:07 PM | 5:23 AM | Waxing gibbous · 93% |
| Fri, Feb 19 | 6:48 AM | 5:41 PM | 4:27 PM | 6:02 AM | Waxing gibbous · 98% |
| Sat, Feb 20 | 6:47 AM | 5:42 PM | 5:44 PM | 6:33 AM | Full moon · 100% |
| Sun, Feb 21 | 6:45 AM | 5:43 PM | 6:59 PM | 7:01 AM | Waning gibbous · 99% |
| Mon, Feb 22 | 6:44 AM | 5:44 PM | 8:12 PM | 7:26 AM | Waning gibbous · 95% |
| Tue, Feb 23 | 6:43 AM | 5:46 PM | 9:22 PM | 7:51 AM | Waning gibbous · 90% |
| Wed, Feb 24 | 6:41 AM | 5:47 PM | 10:31 PM | 8:17 AM | Waning gibbous · 82% |
| Thu, Feb 25 | 6:40 AM | 5:48 PM | 11:39 PM | 8:45 AM | Waning gibbous · 73% |
| Fri, Feb 26 | 6:38 AM | 5:49 PM | — | 9:17 AM | Waning gibbous · 64% |
| Sat, Feb 27 | 6:37 AM | 5:50 PM | 12:45 AM | 9:55 AM | Last quarter · 54% |
| Sun, Feb 28 | 6:35 AM | 5:51 PM | 1:46 AM | 10:39 AM | Waning crescent · 45% |
Sky events this month
- Tue, Feb 2 11:20 PMMercury farthest from the Sun in the evening sky18° from the Sun: the best time to see it, low in the west after sunset
- Sat, Feb 6 8:59 AMAnnular solar eclipseNot visible from Boulder, CO
- Wed, Feb 10 5:17 PMJupiter at oppositionClosest to Earth and brightest of the year, up all night
- Fri, Feb 19 8:44 AMMars at oppositionClosest to Earth and brightest of the year, up all night
- Sat, Feb 20 4:12 PMPenumbral lunar eclipseVisible from Boulder, CO
- Sat, Feb 20 4:24 PMFull moon
Month by month
Calculated with Astronomy Engine (MIT license).