Jeff Davis County Sunrise / SunsetUnited StatesTXJeff Davis CountySunset8:08 pmFort DavisSunset at 8:08 pmSunset8:11 pmValentineSunset at 8:11 pmBlue Mountain AirportDavis Mountains State ParkFort DavisFort Davis National Historic SiteMcDonald ObservatoryRancho Del Cielo AirportValentine