Jeff Davis County Sunrise / SunsetUnited StatesTXJeff Davis CountySunset9:01 pmFort DavisSunset at 9:01 pmSunset9:03 pmValentineSunset at 9:03 pmBlue Mountain AirportDavis Mountains State ParkFort DavisFort Davis National Historic SiteMcDonald ObservatoryRancho Del Cielo AirportValentine