sun .5deg.comSunrise, Sunset and Sun position here: South Boston, United States (Massachusetts, Suffolk County).
Current time: Wednesday, 2026-05-20, 10:52 (GMT-04:00) America/New_York
.
All times are shown in South Boston local time.
Solar noon
Today will be at: 12:40 (remaining time: +1h 48m),
Maximal altitude of Sun: 67.7°.
Day Length: 14h 46m 2s (time between sunrise and sunset).
| Sunrise | Solar noon | Sunset | |
| Time | 05:17:44 | 12:40:45 | 20:03:46 |
| Azimuth | 61.5° | 180° | 298.5° |
| Day Length | ![]() |
14h 46m 2s | ![]() |
Current distance Earth ↔ Sun:
Center-to-center: 151 397 923 km
94 074 308 mi
South Boston ↔ Sun, nearest point: 150 696 815 km
93 638 659 mi

| Local timezone: | GMT-04:00 |
| Latitude: | 42.33343° |
| Longitude: | -71.04949° |
| Country: | United States Massachusetts |
| Population: | 571 281 |
| Zone Type | Start | End | Length | |
| Night | 00:00:00 | 03:16:24 | 3h 16m 24s | |
| Astronomical Twilight | 03:16:24 | 04:03:49 | 47m 25s | |
| Nautical Twilight | 04:03:49 | 04:45:04 | 41m 15s | |
| Civil Twilight | 04:45:04 | 05:17:44 | 32m 40s | |
| Daylight | 05:17:44 | 20:03:46 | 14h 46m 2s | |
| Civil Twilight | 20:03:46 | 20:36:26 | 32m 40s | |
| Nautical Twilight | 20:36:26 | 21:17:42 | 41m 16s | |
| Astronomical Twilight | 21:17:42 | 22:05:07 | 47m 25s | |
| Night | 22:05:07 | 23:59:59 | 1h 54m 52s |
Altitude
0-24, Current: 58.1° (
10:52)
Azimuth
0-24, Current: 126.1° (
10:52)
Solar noon
| Yesterday | Today | Tomorrow | |||
| date: | 2026-05-18 | 2026-05-19 | 2026-05-20 | 2026-05-21 | 2026-05-22 |
| Day: | Monday | Tuesday | Wednesday | Thursday | Friday |
| Sunrise: | 05:19:31 | 05:18:37 | 05:17:44 | 05:16:54 | 05:16:06 |
| Solar noon: | 12:40:39 | 12:40:42 | 12:40:45 | 12:40:49 | 12:40:54 |
| Sunset: | 20:01:47 | 20:02:47 | 20:03:46 | 20:04:44 | 20:05:42 |
| Day Length: | 14h 42m 16s | 14h 44m 10s | 14h 46m 2s | 14h 47m 50s | 14h 49m 36s |
South Boston sunrise, sunset informations for whole month (or Year 2026):