Jeff Davis County Sunrise / SunsetUnited StatesTXJeff Davis CountySunset8:50 pmFort DavisSunset at 8:50 pmSunset8:53 pmValentineSunset at 8:53 pmBlue Mountain AirportDavis Mountains State ParkFort DavisFort Davis National Historic SiteMcDonald ObservatoryRancho Del Cielo AirportValentine