Closing Martin Luther King Jr. Day All Day 1/18 - 1/20 All Branches Jan 18 - 20 2025 Closing Martin Luther King Jr. Day All Day 1/18 - 1/20 Branches: Clover Library, Fort Mill Library, Lake Wylie Library, Main Library (Rock Hill), York Library, Bookmobile, Outreach Sprinter Van, Online, Off Site, Equipment Description: Martin Luther King Jr. Day: All York County Library locations will be closed Saturday, January 18 - Monday, January 20, 2025.