Boston sky calendar · May 2027
Full moon: Thu, May 20. New moon: Thu, May 6. Sunrise moves from 5:39 AM to 5:10 AM, sunset from 7:43 PM to 8:13 PM. 3 sky events this month (below). Times are local (EDT).
| Date | Sunrise | Sunset | Moonrise | Moonset | Moon |
|---|---|---|---|---|---|
| Sat, May 1 | 5:39 AM | 7:43 PM | 3:09 AM | 2:46 PM | Waning crescent · 24% |
| Sun, May 2 | 5:38 AM | 7:44 PM | 3:29 AM | 3:51 PM | Waning crescent · 16% |
| Mon, May 3 | 5:37 AM | 7:45 PM | 3:50 AM | 4:58 PM | Waning crescent · 9% |
| Tue, May 4 | 5:35 AM | 7:46 PM | 4:12 AM | 6:08 PM | Waning crescent · 4% |
| Wed, May 5 | 5:34 AM | 7:48 PM | 4:38 AM | 7:22 PM | Waning crescent · 1% |
| Thu, May 6 | 5:33 AM | 7:49 PM | 5:09 AM | 8:38 PM | New moon · 0% |
| Fri, May 7 | 5:32 AM | 7:50 PM | 5:49 AM | 9:53 PM | Waxing crescent · 2% |
| Sat, May 8 | 5:30 AM | 7:51 PM | 6:39 AM | 11:01 PM | Waxing crescent · 7% |
| Sun, May 9 | 5:29 AM | 7:52 PM | 7:42 AM | 11:58 PM | Waxing crescent · 14% |
| Mon, May 10 | 5:28 AM | 7:53 PM | 8:54 AM | — | Waxing crescent · 22% |
| Tue, May 11 | 5:27 AM | 7:54 PM | 10:11 AM | 12:44 AM | Waxing crescent · 33% |
| Wed, May 12 | 5:26 AM | 7:55 PM | 11:29 AM | 1:20 AM | Waxing crescent · 44% |
| Thu, May 13 | 5:25 AM | 7:56 PM | 12:44 PM | 1:49 AM | First quarter · 55% |
| Fri, May 14 | 5:24 AM | 7:57 PM | 1:57 PM | 2:15 AM | Waxing gibbous · 66% |
| Sat, May 15 | 5:23 AM | 7:58 PM | 3:07 PM | 2:37 AM | Waxing gibbous · 76% |
| Sun, May 16 | 5:22 AM | 7:59 PM | 4:17 PM | 2:59 AM | Waxing gibbous · 85% |
| Mon, May 17 | 5:21 AM | 8:00 PM | 5:27 PM | 3:23 AM | Waxing gibbous · 92% |
| Tue, May 18 | 5:20 AM | 8:01 PM | 6:37 PM | 3:48 AM | Waxing gibbous · 96% |
| Wed, May 19 | 5:19 AM | 8:02 PM | 7:46 PM | 4:17 AM | Waxing gibbous · 99% |
| Thu, May 20 | 5:18 AM | 8:03 PM | 8:51 PM | 4:52 AM | Full moon · 100% |
| Fri, May 21 | 5:17 AM | 8:04 PM | 9:50 PM | 5:34 AM | Waning gibbous · 98% |
| Sat, May 22 | 5:16 AM | 8:05 PM | 10:41 PM | 6:24 AM | Waning gibbous · 95% |
| Sun, May 23 | 5:15 AM | 8:06 PM | 11:23 PM | 7:21 AM | Waning gibbous · 90% |
| Mon, May 24 | 5:15 AM | 8:07 PM | 11:58 PM | 8:21 AM | Waning gibbous · 84% |
| Tue, May 25 | 5:14 AM | 8:08 PM | — | 9:24 AM | Waning gibbous · 76% |
| Wed, May 26 | 5:13 AM | 8:09 PM | 12:26 AM | 10:27 AM | Waning gibbous · 68% |
| Thu, May 27 | 5:12 AM | 8:10 PM | 12:50 AM | 11:30 AM | Waning gibbous · 59% |
| Fri, May 28 | 5:12 AM | 8:11 PM | 1:11 AM | 12:32 PM | Last quarter · 49% |
| Sat, May 29 | 5:11 AM | 8:12 PM | 1:31 AM | 1:35 PM | Waning crescent · 40% |
| Sun, May 30 | 5:11 AM | 8:12 PM | 1:51 AM | 2:40 PM | Waning crescent · 30% |
| Mon, May 31 | 5:10 AM | 8:13 PM | 2:12 AM | 3:47 PM | Waning crescent · 21% |
Sky events this month
- Wed, May 5Eta Aquariids meteor shower peakUp to about 50 meteors an hour under a perfectly dark sky · the Moon stays out of the way
- Thu, May 20 6:59 AMFull moon
- Fri, May 28 6:01 AMMercury farthest from the Sun in the evening sky23° from the Sun: the best time to see it, low in the west after sunset
Month by month
Calculated with Astronomy Engine (MIT license).