Jeff Davis County Sunrise / SunsetUnited StatesTXJeff Davis CountySunset6:57 pmFort DavisSunset at 6:57 pmSunset7:00 pmValentineSunset at 7:00 pmBlue Mountain AirportDavis Mountains State ParkFort DavisFort Davis National Historic SiteMcDonald ObservatoryRancho Del Cielo AirportValentine