Today's Sunrise & Sunset in Mountain Ash

Sunrise in Mountain Ash today is at 05:14:22 AM (local time). Sunset will be at 09:06:40 PM, giving Mountain Ash 15h 52min of daylight today. Civil twilight begins at 04:30:38 AM and ends at 09:50:40 PM. Plan your day with the UV index for Mountain Ash or find the best light for photos during the golden hour in Mountain Ash. Get a full year of light data with the printable Mountain Ash Photography Planner 2026.

Mountain Ash 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), Mountain Ash 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 04:55, while the latest sunset falls around June 25 at 21:35. The evening golden hour in Mountain Ash lasts about 83 minutes in summer and 87 minutes in winter — unusually long at this latitude, great for photography.