Jeff Davis County Sunrise / SunsetUnited StatesTXJeff Davis CountySunset8:58 pmFort DavisSunset at 8:58 pmSunset9:00 pmValentineSunset at 9:00 pmBlue Mountain AirportDavis Mountains State ParkFort DavisFort Davis National Historic SiteMcDonald ObservatoryRancho Del Cielo AirportValentine