Jeff Davis County Sunrise / SunsetUnited StatesTXJeff Davis CountySunset8:14 pmFort DavisSunset at 8:14 pmSunset8:17 pmValentineSunset at 8:17 pmBlue Mountain AirportDavis Mountains State ParkFort DavisFort Davis National Historic SiteMcDonald ObservatoryRancho Del Cielo AirportValentine