sun .5deg.comBoston, United States (Massachusetts, Suffolk County) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-04-21.
All times are shown in Boston local time (GMT-04:00
).
Night, Twilight, and Daylight Times in Boston for this day: 2026-04-21
 |
Zone Type | Start | End | Length |
| Night | 00:00:00 | 04:09:06 | 4h 9m 6s | |
| Astronomical Twilight | 04:09:06 | 04:47:39 | 38m 33s | |
| Nautical Twilight | 04:47:39 | 05:23:39 | 36m 0s | |
| Civil Twilight | 05:23:39 | 05:53:18 | 29m 39s | |
| Daylight | 05:53:18 | 19:32:31 | 13h 39m 13s | |
| Civil Twilight | 19:32:31 | 20:02:09 | 29m 38s | |
| Nautical Twilight | 20:02:09 | 20:38:09 | 36m 0s | |
| Astronomical Twilight | 20:38:09 | 21:16:42 | 38m 33s | |
| Night | 21:16:42 | 23:59:59 | 2h 43m 17s |
Sunrise, Sunset and Solar noon here: Boston, US, for day: 2026-04-21.
| Sunrise | Solar noon | Sunset | |
| Time | 05:53:18 | 12:42:54 | 19:32:31 |
| Azimuth | 72.9° | 180° | 287.1° |
| Day Length |  |
13h 39m 13s |  |
Distance Earth-Sun (Center-to-center
12:00):
150 360 725 km93 429 823 mi
0°= North, 180°=South
Solar noon
Table view of above data:
(Azimuth: 0°=North, 90°=West, 180°=South, 270°=East)
| Time | Altitude | Azimuth |
| 000 | -35° | 347° |
| 100 | -35.8° | 5° |
| 200 | -33.1° | 22.6° |
| 300 | -27.5° | 38.3° |
| 400 | -19.6° | 51.8° |
| 500 | -10.3° | 63.6° |
| 600 | 0.1° | 74° |
| 700 | 11° | 84° |
| 800 | 22° | 94° |
| 900 | 33° | 105.1° |
| 1000 | 43.3° | 118.5° |
| 1100 | 52.1° | 136° |
| 1200 | 58.1° | 159.6° |
| 1300 | 59.3° | 188° |
| 1400 | 55.3° | 214.3° |
| 1500 | 47.5° | 234.4° |
| 1600 | 37.7° | 249.4° |
| 1700 | 27° | 261.3° |
| 1800 | 16° | 271.7° |
| 1900 | 5° | 281.7° |
| 2000 | -5.6° | 291.8° |
| 2100 | -15.4° | 302.9° |
| 2200 | -24° | 315.6° |
| 2300 | -30.7° | 330.3° |
| 2400 | -34.7° | 347.1° |