Jeff Davis County Sunrise / SunsetUnited StatesTXJeff Davis CountySunset8:59 pmFort DavisSunset at 8:59 pmSunset9:02 pmValentineSunset at 9:02 pmBlue Mountain AirportDavis Mountains State ParkFort DavisFort Davis National Historic SiteMcDonald ObservatoryRancho Del Cielo AirportValentine