Saturday, March 17, 2012 29th Annual York Saint Patrick's Day Parade, along Market Street in historic downtown York, PA (1pm step-off) The St. Patrick's Day parade steps off at 1pm from Market and Penn Streets and proceeds east on Market to the block between Duke and Queen Streets, with several related activities planned for before and after the parade. The parade is organized by the York Saint Patrick's Day Parade Committee, a not-for-profit volunteer organization. The York Saint Patrick's Day Parade is held annually on the Saturday before Saint Patrick's Day (except when March 17th falls on a Saturday, in which case the parade will be held on the actual holiday).