Sunset & Sunrise Today in Casper, Wyoming

In Casper, Wyoming, the sun rises at 5:40 AM and sets at 8:41 PM today, Wednesday, July 15, 2026, for a total of 15h 00m of daylight. Solar noon, when the sun is highest over Casper, is at 1:11 PM.

Casper lies at latitude 42.87°, 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 1 minute shorter and 29 seconds. As summer progresses, sunrise and sunset in Casper move a little each day rather than staying fixed.

For photographers, the evening golden hour in Casper runs from about 8:00 PM to 9:02 PM — that warm, low, flattering light just before sunset. The blue hour follows, roughly 9:02 PM to 9:16 PM, as twilight deepens.

Tomorrow, sunset in Casper is at 8:40 PM and sunrise at 5:41 AM — about 1m 33s less daylight than today. The table below shows how sunrise and sunset in Casper drift across the whole year.

This is high summer in Casper, the season of long evenings. Over the course of the year, sunset in Casper ranges from as early as 4:30 PM (around December 4) to as late as 8:47 PM (around June 20). Its longest day lands on June 20 with 15h 20m of daylight, and its shortest on December 21 with just 9h 00m.