Jeff Davis County Sunrise / SunsetUnited StatesTXJeff Davis CountySunset8:17 pmFort DavisSunset at 8:17 pmSunset8:19 pmValentineSunset at 8:19 pmBlue Mountain AirportDavis Mountains State ParkFort DavisFort Davis National Historic SiteMcDonald ObservatoryRancho Del Cielo AirportValentine