Sunset & Sunrise Today in Thornton, Colorado

On Wednesday, October 14, 2026, the sun sets over Thornton at 6:21 PM, having risen at 7:09 AM. That works out to 11h 11m of daylight today. Solar noon, when the sun is highest over Thornton, is at 12:45 PM.

Thornton lies at latitude 39.87°, in the mid-latitudes, where daylight swings noticeably between the long days of summer and the short days of winter. Each day is currently getting about 2 minutes shorter and 33 seconds. Through autumn, the sunset time in Thornton keeps shifting, which is why it pays to check the exact figure day by day.

Golden hour in Thornton this evening is roughly 5:45 PM–6:38 PM, the best window for warm, soft photos. The blue hour follows, roughly 6:38 PM to 6:49 PM, as twilight deepens.

Tomorrow, sunset in Thornton is at 6:19 PM and sunrise at 7:10 AM — about 2m 31s less daylight than today. The table below shows how sunrise and sunset in Thornton drift across the whole year.

Autumn has arrived in Thornton, and the days are drawing in. Over the course of the year, sunset in Thornton ranges from as early as 4:34 PM (around December 3) to as late as 8:32 PM (around June 24). Its longest day lands on June 20 with 14h 59m of daylight, and its shortest on December 21 with just 9h 19m.