sun .5deg.comBoston, United States (Massachusetts, Suffolk County) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-08-21.
All times are shown in Boston local time (GMT-04:00
).
Night, Twilight, and Daylight Times in Boston for this day: 2026-08-21
| Zone Type | Start | End | Length | |
| Night | 00:00:00 | 04:14:00 | 4h 14m 0s | |
| Astronomical Twilight | 04:14:00 | 04:52:29 | 38m 29s | |
| Nautical Twilight | 04:52:29 | 05:28:27 | 35m 58s | |
| Civil Twilight | 05:28:27 | 05:58:05 | 29m 38s | |
| Daylight | 05:58:05 | 19:36:35 | 13h 38m 30s | |
| Civil Twilight | 19:36:35 | 20:06:13 | 29m 38s | |
| Nautical Twilight | 20:06:13 | 20:42:11 | 35m 58s | |
| Astronomical Twilight | 20:42:11 | 21:20:41 | 38m 30s | |
| Night | 21:20:41 | 23:59:59 | 2h 39m 18s |
Sunrise, Sunset and Solar noon here: Boston, US, for day: 2026-08-21.
| Sunrise | Solar noon | Sunset | |
| Time | 05:58:05 | 12:47:20 | 19:36:35 |
| Azimuth | 72.7° | 180° | 287.1° |
| Day Length | ![]() |
13h 38m 30s | ![]() |
Distance Earth-Sun (Center-to-center
12:00):
151 322 301 km94 027 319 mi
0°= North, 180°=South
Table view of above data:
(Azimuth: 0°=North, 90°=West, 180°=South, 270°=East)
| Time | Altitude | Azimuth |
| 000 | -34.3° | 345.8° |
| 100 | -35.3° | 3.6° |
| 200 | -32.9° | 21.1° |
| 300 | -27.6° | 36.9° |
| 400 | -19.9° | 50.6° |
| 500 | -10.7° | 62.4° |
| 600 | -0.4° | 73° |
| 700 | 10.4° | 82.9° |
| 800 | 21.5° | 93° |
| 900 | 32.4° | 104° |
| 1000 | 42.8° | 117.1° |
| 1100 | 51.8° | 134.3° |
| 1200 | 58° | 157.6° |
| 1300 | 59.6° | 185.9° |
| 1400 | 55.9° | 212.7° |
| 1500 | 48.3° | 233.3° |
| 1600 | 38.6° | 248.5° |
| 1700 | 27.9° | 260.6° |
| 1800 | 16.8° | 271.1° |
| 1900 | 5.8° | 281° |
| 2000 | -4.8° | 291.1° |
| 2100 | -14.8° | 302.1° |
| 2200 | -23.5° | 314.6° |
| 2300 | -30.3° | 329.1° |
| 2400 | -34.6° | 345.8° |