Sunrise and Sunsetin Merthyr Tydfil, United Kingdom
December 2025
Sunrise
7:58 AM
Sunset
4:06 PM
On 1 December, the sun rises at 7:58 AM and sets at 4:06 PM.
The sun is 8 hours 08 minutes above the horizon (the length of the day).
Astronomical dawn (first rays of light) begins at 5:56 AM and at 6:09 PM it is completely dark (the end of astronomical twilight).
The sun is 8 hours 08 minutes above the horizon (the length of the day).
Astronomical dawn (first rays of light) begins at 5:56 AM and at 6:09 PM it is completely dark (the end of astronomical twilight).
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| 1 December 2025, Monday | 7:58 AM | 4:06 PM | 8h 08m |
| 2 December 2025, Tuesday | 7:59 AM | 4:06 PM | 8h 06m |
| 3 December 2025, Wednesday | 8:00 AM | 4:05 PM | 8h 04m |
| 4 December 2025, Thursday | 8:02 AM | 4:05 PM | 8h 03m |
| 5 December 2025, Friday | 8:03 AM | 4:04 PM | 8h 01m |
| 6 December 2025, Saturday | 8:04 AM | 4:04 PM | 7h 59m |
| 7 December 2025, Sunday | 8:06 AM | 4:04 PM | 7h 58m |
| 8 December 2025, Monday | 8:07 AM | 4:03 PM | 7h 56m |
| 9 December 2025, Tuesday | 8:08 AM | 4:03 PM | 7h 55m |
| 10 December 2025, Wednesday | 8:09 AM | 4:03 PM | 7h 54m |
| 11 December 2025, Thursday | 8:10 AM | 4:03 PM | 7h 52m |
| 12 December 2025, Friday | 8:11 AM | 4:03 PM | 7h 51m |
| 13 December 2025, Saturday | 8:12 AM | 4:03 PM | 7h 51m |
| 14 December 2025, Sunday | 8:13 AM | 4:03 PM | 7h 50m |
| 15 December 2025, Monday | 8:14 AM | 4:03 PM | 7h 49m |
| 16 December 2025, Tuesday | 8:14 AM | 4:03 PM | 7h 48m |
| 17 December 2025, Wednesday | 8:15 AM | 4:03 PM | 7h 48m |
| 18 December 2025, Thursday | 8:16 AM | 4:04 PM | 7h 47m |
| 19 December 2025, Friday | 8:16 AM | 4:04 PM | 7h 47m |
| 20 December 2025, Saturday | 8:17 AM | 4:04 PM | 7h 47m |
| 21 December 2025, Sunday | 8:17 AM | 4:05 PM | 7h 47m |
| 22 December 2025, Monday | 8:18 AM | 4:05 PM | 7h 47m |
| 23 December 2025, Tuesday | 8:18 AM | 4:06 PM | 7h 47m |
| 24 December 2025, Wednesday | 8:19 AM | 4:07 PM | 7h 47m |
| 25 December 2025, Thursday | 8:19 AM | 4:07 PM | 7h 48m |
| 26 December 2025, Friday | 8:19 AM | 4:08 PM | 7h 48m |
| 27 December 2025, Saturday | 8:20 AM | 4:09 PM | 7h 49m |
| 28 December 2025, Sunday | 8:20 AM | 4:10 PM | 7h 50m |
| 29 December 2025, Monday | 8:20 AM | 4:11 PM | 7h 50m |
| 30 December 2025, Tuesday | 8:20 AM | 4:12 PM | 7h 51m |
| 31 December 2025, Wednesday | 8:20 AM | 4:12 PM | 7h 52m |