Today's Sunrise & Sunset in Merthyr Tydfil

Sunrise in Merthyr Tydfil today is at 04:57:46 AM (local time). Sunset will be at 09:27:10 PM, giving Merthyr Tydfil 16h 29min of daylight today. Civil twilight begins at 04:09:59 AM and ends at 10:15:08 PM. Plan your day with the UV index for Merthyr Tydfil or find the best light for photos during the golden hour in Merthyr Tydfil. Get a full year of light data with the printable Merthyr Tydfil Photography Planner 2026.

Merthyr Tydfil lies in the temperate zone at 51.7° latitude, with dramatic daylight variation between summer and winter. On the longest day of the year (June 21), Merthyr Tydfil receives 16.7 hours of daylight, with sunrise at 04:55 AM and sunset at 09:35 PM. On the shortest day (December 21), this drops to 7.8 hours — a difference of 8.9 hours between summer and winter. The earliest sunrise of the year occurs around June 15 at 04:54, while the latest sunset falls around June 25 at 21:35. The evening golden hour in Merthyr Tydfil lasts about 83 minutes in summer and 87 minutes in winter — unusually long at this latitude, great for photography.