Sunrise and Sunsetin Boston, United Kingdom
Sunday, 21 December 2025
Sunrise
8:11 AM
Sunset
3:45 PM
On 21 December, the sun rises at 8:11 AM and sets at 3:45 PM.
The sun is 7 hours 34 minutes above the horizon (the length of the day).
Astronomical dawn (first rays of light) begins at 6:01 AM and at 5:54 PM it is completely dark (the end of astronomical twilight).
The sun is 7 hours 34 minutes above the horizon (the length of the day).
Astronomical dawn (first rays of light) begins at 6:01 AM and at 5:54 PM it is completely dark (the end of astronomical twilight).
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| 1 December 2025, Monday | 7:50 AM | 3:47 PM | 7h 56m |
| 2 December 2025, Tuesday | 7:52 AM | 3:47 PM | 7h 54m |
| 3 December 2025, Wednesday | 7:53 AM | 3:46 PM | 7h 52m |
| 4 December 2025, Thursday | 7:54 AM | 3:45 PM | 7h 50m |
| 5 December 2025, Friday | 7:56 AM | 3:45 PM | 7h 49m |
| 6 December 2025, Saturday | 7:57 AM | 3:44 PM | 7h 47m |
| 7 December 2025, Sunday | 7:58 AM | 3:44 PM | 7h 45m |
| 8 December 2025, Monday | 8:00 AM | 3:44 PM | 7h 44m |
| 9 December 2025, Tuesday | 8:01 AM | 3:43 PM | 7h 42m |
| 10 December 2025, Wednesday | 8:02 AM | 3:43 PM | 7h 41m |
| 11 December 2025, Thursday | 8:03 AM | 3:43 PM | 7h 40m |
| 12 December 2025, Friday | 8:04 AM | 3:43 PM | 7h 39m |
| 13 December 2025, Saturday | 8:05 AM | 3:43 PM | 7h 38m |
| 14 December 2025, Sunday | 8:06 AM | 3:43 PM | 7h 37m |
| 15 December 2025, Monday | 8:07 AM | 3:43 PM | 7h 36m |
| 16 December 2025, Tuesday | 8:07 AM | 3:43 PM | 7h 35m |
| 17 December 2025, Wednesday | 8:08 AM | 3:43 PM | 7h 35m |
| 18 December 2025, Thursday | 8:09 AM | 3:44 PM | 7h 34m |
| 19 December 2025, Friday | 8:10 AM | 3:44 PM | 7h 34m |
| 20 December 2025, Saturday | 8:10 AM | 3:44 PM | 7h 34m |
| 21 December 2025, Sunday | 8:11 AM | 3:45 PM | 7h 34m |
| 22 December 2025, Monday | 8:11 AM | 3:45 PM | 7h 34m |
| 23 December 2025, Tuesday | 8:12 AM | 3:46 PM | 7h 34m |
| 24 December 2025, Wednesday | 8:12 AM | 3:47 PM | 7h 34m |
| 25 December 2025, Thursday | 8:12 AM | 3:47 PM | 7h 35m |
| 26 December 2025, Friday | 8:12 AM | 3:48 PM | 7h 35m |
| 27 December 2025, Saturday | 8:13 AM | 3:49 PM | 7h 36m |
| 28 December 2025, Sunday | 8:13 AM | 3:50 PM | 7h 37m |
| 29 December 2025, Monday | 8:13 AM | 3:51 PM | 7h 37m |
| 30 December 2025, Tuesday | 8:13 AM | 3:52 PM | 7h 38m |
| 31 December 2025, Wednesday | 8:13 AM | 3:53 PM | 7h 39m |