Summit County Sunrise / SunsetUnited StatesCOSummit CountySunset8:35 pmBreckenridgeSunset at 8:35 pmSunset8:36 pmSilverthorneSunset at 8:36 pmArapahoe Basin Ski AreaBlue RiverBreckenridgeBreckenridge Ski ResortBuffalo MountainCopper MountainCucumber Gulch Wildlife PreserveDillonFriscoGrays PeakHeeneyJacque PeakKeystoneKeystone ResortMontezumaMount GuyotPrairie MountainSilverthorneSummit CoveWildernest