Summit County Sunrise / SunsetUnited StatesCOSummit CountySunset7:56 pmBreckenridgeSunset at 7:56 pmSunset7:57 pmSilverthorneSunset at 7:57 pmArapahoe Basin Ski AreaBlue RiverBreckenridgeBreckenridge Ski ResortBuffalo MountainCopper MountainCucumber Gulch Wildlife PreserveDillonFriscoGrays PeakHeeneyJacque PeakKeystoneKeystone ResortMontezumaMount GuyotPrairie MountainSilverthorneSummit CoveWildernest