Summit County Sunrise / SunsetUnited StatesCOSummit CountySunset8:11 pmBreckenridgeSunset at 8:11 pmSunset8:12 pmSilverthorneSunset at 8:12 pmArapahoe Basin Ski AreaBlue RiverBreckenridgeBreckenridge Ski ResortBuffalo MountainCopper MountainCucumber Gulch Wildlife PreserveDillonFriscoGrays PeakHeeneyJacque PeakKeystoneKeystone ResortMontezumaMount GuyotPrairie MountainSilverthorneSummit CoveWildernest