sun .5deg.comBoston, United States (Massachusetts, Suffolk County) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-05-17.
All times are shown in Boston local time (GMT-04:00
).
Night, Twilight, and Daylight Times in Boston for this day: 2026-05-17
 |
Zone Type | Start | End | Length |
| Night | 00:00:00 | 03:20:56 | 3h 20m 56s | |
| Astronomical Twilight | 03:20:56 | 04:07:20 | 46m 24s | |
| Nautical Twilight | 04:07:20 | 04:48:03 | 40m 43s | |
| Civil Twilight | 04:48:03 | 05:20:24 | 32m 21s | |
| Daylight | 05:20:24 | 20:00:54 | 14h 40m 30s | |
| Civil Twilight | 20:00:54 | 20:33:15 | 32m 21s | |
| Nautical Twilight | 20:33:15 | 21:13:58 | 40m 43s | |
| Astronomical Twilight | 21:13:58 | 22:00:22 | 46m 24s | |
| Night | 22:00:22 | 23:59:59 | 1h 59m 37s |
Sunrise, Sunset and Solar noon here: Boston, US, for day: 2026-05-17.
| Sunrise | Solar noon | Sunset | |
| Time | 05:20:24 | 12:40:39 | 20:00:54 |
| Azimuth | 62.4° | 180° | 297.6° |
| Day Length |  |
14h 40m 30s |  |
Distance Earth-Sun (Center-to-center
12:00):
151 308 610 km94 018 811 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 | -27.7° | 349.1° |
| 100 | -28.3° | 5.1° |
| 200 | -25.8° | 20.8° |
| 300 | -20.5° | 35.1° |
| 400 | -13.2° | 47.8° |
| 500 | -4.3° | 58.9° |
| 600 | 5.7° | 69° |
| 700 | 16.3° | 78.5° |
| 800 | 27.3° | 88.1° |
| 900 | 38.3° | 98.7° |
| 1000 | 49° | 111.6° |
| 1100 | 58.6° | 129.4° |
| 1200 | 65.4° | 156.3° |
| 1300 | 66.6° | 191.4° |
| 1400 | 61.6° | 222.1° |
| 1500 | 52.8° | 242.7° |
| 1600 | 42.4° | 257.1° |
| 1700 | 31.4° | 268.3° |
| 1800 | 20.3° | 278.1° |
| 1900 | 9.5° | 287.6° |
| 2000 | -0.7° | 297.4° |
| 2100 | -10° | 308.1° |
| 2200 | -17.9° | 320.2° |
| 2300 | -24° | 333.9° |
| 2400 | -27.5° | 349.1° |