sun .5deg.comSouth Boston, United States (Massachusetts, Suffolk County) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-01-21.
All times are shown in South Boston local time (GMT-05:00
).
Night, Twilight, and Daylight Times in South Boston for this day: 2026-01-21
 |
Zone Type | Start | End | Length |
| Night | 00:00:00 | 05:28:47 | 5h 28m 47s | |
| Astronomical Twilight | 05:28:47 | 06:02:09 | 33m 22s | |
| Nautical Twilight | 06:02:09 | 06:36:26 | 34m 17s | |
| Civil Twilight | 06:36:26 | 07:06:53 | 30m 27s | |
| Daylight | 07:06:53 | 16:44:11 | 9h 37m 18s | |
| Civil Twilight | 16:44:11 | 17:14:39 | 30m 28s | |
| Nautical Twilight | 17:14:39 | 17:48:55 | 34m 16s | |
| Astronomical Twilight | 17:48:55 | 18:22:18 | 33m 23s | |
| Night | 18:22:18 | 23:59:59 | 5h 37m 41s |
Sunrise, Sunset and Solar noon here: South Boston, US, for day: 2026-01-21.
| Sunrise | Solar noon | Sunset | |
| Time | 07:06:53 | 11:55:32 | 16:44:11 |
| Azimuth | 116.4° | 180° | 243.5° |
| Day Length |  |
9h 37m 18s |  |
Distance Earth-Sun (Center-to-center
12:00):
147 227 013 km91 482 625 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 | -67.6° | 2.7° |
| 100 | -63.9° | 36.2° |
| 200 | -55.6° | 59.2° |
| 300 | -45.4° | 74.6° |
| 400 | -34.5° | 86.3° |
| 500 | -23.4° | 96.2° |
| 600 | -12.5° | 105.7° |
| 700 | -2.1° | 115.3° |
| 800 | 7.4° | 125.7° |
| 900 | 15.7° | 137.3° |
| 1000 | 22.3° | 150.5° |
| 1100 | 26.4° | 165.3° |
| 1200 | 27.8° | 181.1° |
| 1300 | 26° | 196.8° |
| 1400 | 21.5° | 211.4° |
| 1500 | 14.7° | 224.4° |
| 1600 | 6.2° | 235.9° |
| 1700 | -3.5° | 246.1° |
| 1800 | -13.9° | 255.7° |
| 1900 | -24.9° | 265.2° |
| 2000 | -35.9° | 275.4° |
| 2100 | -46.8° | 287.5° |
| 2200 | -56.8° | 303.7° |
| 2300 | -64.5° | 328° |
| 2400 | -67.4° | 2.5° |