Jeff Davis County Sunrise / SunsetUnited StatesTXJeff Davis CountySunset8:31 pmFort DavisSunset at 8:31 pmSunset8:33 pmValentineSunset at 8:33 pmBlue Mountain AirportDavis Mountains State ParkFort DavisFort Davis National Historic SiteMcDonald ObservatoryRancho Del Cielo AirportValentine