Boston Sunrise, Sunset and Moon in August 2026
Day length goes from 15 h 36 min on August 1 to 13 h 43 min on August 31. Sunrise moves from 5:18 AM to 6:08 AM and sunset from 8:54 PM to 7:51 PM.
Every day
Dawn and dusk are civil twilight (the sun 6 degrees below the horizon); golden hour starts when the evening sun is 6 degrees up; full dark is astronomical twilight, 18 degrees down. A blank moonrise or moonset means it falls on the next day.
| Date | Dawn | Sunrise | Sunset | Dusk | Golden hour | Full dark | Day length | Change | Moon | Moonrise | Moonset |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1 | 4:35 AM | 5:18 AM | 8:54 PM | 9:37 PM | 8:03 PM | 12:06 AM | 15 h 36 min | Waning gibbous, 91% | 9:49 PM | 8:27 AM | |
| Aug 2 | 4:37 AM | 5:19 AM | 8:52 PM | 9:35 PM | 8:02 PM | 12:00 AM | 15 h 33 min | -3.0 min | Waning gibbous, 84% | 9:58 PM | 9:45 AM |
| Aug 3 | 4:39 AM | 5:21 AM | 8:50 PM | 9:32 PM | 8:00 PM | 11:54 PM | 15 h 29 min | -4.0 min | Waning gibbous, 75% | 10:08 PM | 11:04 AM |
| Aug 4 | 4:41 AM | 5:23 AM | 8:49 PM | 9:30 PM | 7:58 PM | 11:48 PM | 15 h 26 min | -3.0 min | Waning gibbous, 66% | 10:20 PM | 12:26 PM |
| Aug 5 | 4:43 AM | 5:24 AM | 8:47 PM | 9:28 PM | 7:57 PM | 11:43 PM | 15 h 23 min | -3.0 min | Last quarter, 55% | 10:36 PM | 1:52 PM |
| Aug 6 | 4:44 AM | 5:26 AM | 8:45 PM | 9:26 PM | 7:55 PM | 11:38 PM | 15 h 19 min | -4.0 min | Last quarter 3:21 AM | 10:59 PM | 3:21 PM |
| Aug 7 | 4:46 AM | 5:28 AM | 8:43 PM | 9:24 PM | 7:53 PM | 11:33 PM | 15 h 15 min | -4.0 min | Waning crescent, 34% | 11:34 PM | 4:50 PM |
| Aug 8 | 4:48 AM | 5:29 AM | 8:41 PM | 9:22 PM | 7:52 PM | 11:29 PM | 15 h 12 min | -3.0 min | Waning crescent, 24% | 6:09 PM | |
| Aug 9 | 4:50 AM | 5:31 AM | 8:39 PM | 9:20 PM | 7:50 PM | 11:24 PM | 15 h 08 min | -4.0 min | Waning crescent, 16% | 12:28 AM | 7:09 PM |
| Aug 10 | 4:52 AM | 5:33 AM | 8:37 PM | 9:17 PM | 7:48 PM | 11:20 PM | 15 h 04 min | -4.0 min | Waning crescent, 9% | 1:43 AM | 7:49 PM |
| Aug 11 | 4:54 AM | 5:34 AM | 8:35 PM | 9:15 PM | 7:46 PM | 11:16 PM | 15 h 01 min | -3.0 min | Waning crescent, 4% | 3:14 AM | 8:16 PM |
| Aug 12 | 4:56 AM | 5:36 AM | 8:33 PM | 9:13 PM | 7:44 PM | 11:11 PM | 14 h 57 min | -4.0 min | New moon 6:37 PM | 4:49 AM | 8:34 PM |
| Aug 13 | 4:58 AM | 5:38 AM | 8:31 PM | 9:11 PM | 7:43 PM | 11:07 PM | 14 h 53 min | -4.0 min | New moon, 0% | 6:22 AM | 8:48 PM |
| Aug 14 | 5:00 AM | 5:39 AM | 8:29 PM | 9:08 PM | 7:41 PM | 11:03 PM | 14 h 50 min | -3.0 min | Waxing crescent, 1% | 7:50 AM | 8:59 PM |
| Aug 15 | 5:02 AM | 5:41 AM | 8:27 PM | 9:06 PM | 7:39 PM | 10:59 PM | 14 h 46 min | -4.0 min | Waxing crescent, 5% | 9:14 AM | 9:09 PM |
| Aug 16 | 5:04 AM | 5:43 AM | 8:25 PM | 9:04 PM | 7:37 PM | 10:56 PM | 14 h 42 min | -4.0 min | Waxing crescent, 11% | 10:35 AM | 9:19 PM |
| Aug 17 | 5:06 AM | 5:44 AM | 8:23 PM | 9:01 PM | 7:35 PM | 10:52 PM | 14 h 39 min | -3.0 min | Waxing crescent, 18% | 11:55 AM | 9:30 PM |
| Aug 18 | 5:08 AM | 5:46 AM | 8:21 PM | 8:59 PM | 7:33 PM | 10:48 PM | 14 h 35 min | -4.0 min | Waxing crescent, 27% | 1:14 PM | 9:45 PM |
| Aug 19 | 5:09 AM | 5:48 AM | 8:18 PM | 8:57 PM | 7:31 PM | 10:44 PM | 14 h 30 min | -5.0 min | Waxing crescent, 37% | 2:32 PM | 10:04 PM |
| Aug 20 | 5:11 AM | 5:50 AM | 8:16 PM | 8:54 PM | 7:29 PM | 10:41 PM | 14 h 26 min | -4.0 min | First quarter 3:46 AM | 3:47 PM | 10:30 PM |
| Aug 21 | 5:13 AM | 5:51 AM | 8:14 PM | 8:52 PM | 7:27 PM | 10:37 PM | 14 h 23 min | -3.0 min | First quarter, 58% | 4:54 PM | 11:08 PM |
| Aug 22 | 5:15 AM | 5:53 AM | 8:12 PM | 8:50 PM | 7:25 PM | 10:33 PM | 14 h 19 min | -4.0 min | Waxing gibbous, 68% | 5:49 PM | 12:00 AM |
| Aug 23 | 5:17 AM | 5:55 AM | 8:10 PM | 8:47 PM | 7:23 PM | 10:30 PM | 14 h 15 min | -4.0 min | Waxing gibbous, 78% | 6:30 PM | |
| Aug 24 | 5:19 AM | 5:56 AM | 8:07 PM | 8:45 PM | 7:20 PM | 10:26 PM | 14 h 11 min | -4.0 min | Waxing gibbous, 86% | 6:59 PM | 1:04 AM |
| Aug 25 | 5:21 AM | 5:58 AM | 8:05 PM | 8:42 PM | 7:18 PM | 10:23 PM | 14 h 07 min | -4.0 min | Waxing gibbous, 92% | 7:20 PM | 2:18 AM |
| Aug 26 | 5:23 AM | 6:00 AM | 8:03 PM | 8:40 PM | 7:16 PM | 10:19 PM | 14 h 03 min | -4.0 min | Waxing gibbous, 97% | 7:35 PM | 3:35 AM |
| Aug 27 | 5:25 AM | 6:02 AM | 8:01 PM | 8:37 PM | 7:14 PM | 10:16 PM | 13 h 59 min | -4.0 min | Full moon, 100% | 7:48 PM | 4:54 AM |
| Aug 28 | 5:26 AM | 6:03 AM | 7:58 PM | 8:35 PM | 7:12 PM | 10:13 PM | 13 h 55 min | -4.0 min | Full moon 5:18 AM | 7:58 PM | 6:12 AM |
| Aug 29 | 5:28 AM | 6:05 AM | 7:56 PM | 8:33 PM | 7:10 PM | 10:09 PM | 13 h 51 min | -4.0 min | Waning gibbous, 98% | 8:08 PM | 7:31 AM |
| Aug 30 | 5:30 AM | 6:07 AM | 7:54 PM | 8:30 PM | 7:07 PM | 10:06 PM | 13 h 47 min | -4.0 min | Waning gibbous, 94% | 8:18 PM | 8:51 AM |
| Aug 31 | 5:32 AM | 6:08 AM | 7:51 PM | 8:28 PM | 7:05 PM | 10:03 PM | 13 h 43 min | -4.0 min | Waning gibbous, 88% | 8:29 PM | 10:13 AM |
Other months
More
Sources
Computed with the NOAA solar position equations and the lunar methods of Meeus, Astronomical Algorithms, for a flat horizon; hills and buildings delay a real sunrise.