sun .5deg.comSunrise, Sunset and Sun position here: Boston, United States (Massachusetts, Suffolk County).
Current time: Thursday, 2026-05-21, 04:53 (GMT-04:00) America/New_York
.
All times are shown in Boston local time.
Solar noon
Today will be at: 12:40 (remaining time: +7h 48m),
Maximal altitude of Sun: 67.8°.
Day Length: 14h 47m 59s (time between sunrise and sunset).
| Sunrise | Solar noon | Sunset | |
| Time | 05:16:52 | 12:40:52 | 20:04:51 |
| Azimuth | 61.2° | 180° | 298.8° |
| Day Length | ![]() |
14h 47m 59s | ![]() |
Current distance Earth ↔ Sun:
Center-to-center: 151 419 906 km
94 087 968 mi
Boston ↔ Sun, nearest point: 150 724 733 km
93 656 007 mi

| Local timezone: | GMT-04:00 |
| Latitude: | 42.35843° |
| Longitude: | -71.05977° |
| Country: | United States Massachusetts |
| Population: | 667 137 |
| Zone Type | Start | End | Length | |
| Night | 00:00:00 | 03:14:46 | 3h 14m 46s | |
| Astronomical Twilight | 03:14:46 | 04:02:36 | 47m 50s | |
| Nautical Twilight | 04:02:36 | 04:44:04 | 41m 28s | |
| Civil Twilight | 04:44:04 | 05:16:52 | 32m 48s | |
| Daylight | 05:16:52 | 20:04:51 | 14h 47m 59s | |
| Civil Twilight | 20:04:51 | 20:37:39 | 32m 48s | |
| Nautical Twilight | 20:37:39 | 21:19:08 | 41m 29s | |
| Astronomical Twilight | 21:19:08 | 22:06:57 | 47m 49s | |
| Night | 22:06:57 | 23:59:59 | 1h 53m 2s |
Altitude
0-24, Current: -4.7° (
04:53)
Azimuth
0-24, Current: 57.1° (
04:53)
Solar noon
| Yesterday | Today | Tomorrow | |||
| date: | 2026-05-19 | 2026-05-20 | 2026-05-21 | 2026-05-22 | 2026-05-23 |
| Day: | Tuesday | Wednesday | Thursday | Friday | Saturday |
| Sunrise: | 05:18:35 | 05:17:43 | 05:16:52 | 05:16:04 | 05:15:17 |
| Solar noon: | 12:40:44 | 12:40:48 | 12:40:52 | 12:40:56 | 12:41:01 |
| Sunset: | 20:02:54 | 20:03:53 | 20:04:51 | 20:05:49 | 20:06:45 |
| Day Length: | 14h 44m 19s | 14h 46m 10s | 14h 47m 59s | 14h 49m 45s | 14h 51m 28s |
Boston sunrise, sunset informations for whole month (or Year 2026):