Jeff Davis County Sunrise / SunsetUnited StatesTXJeff Davis CountySunset8:03 pmFort DavisSunset at 8:03 pmSunset8:05 pmValentineSunset at 8:05 pmBlue Mountain AirportDavis Mountains State ParkFort DavisFort Davis National Historic SiteMcDonald ObservatoryRancho Del Cielo AirportValentine