UNC Updates Spring Calendar and Winter Commencement Posted Oct 8, 2020 UNC released updates to its spring calendar and winter commencement on Thursday afternoon. The start of the spring semester has been delayed until Jan. 19. Winter Commencement has been postponed with the hope to hold a commencement next spring, which includes spring 2020 and winter 2020 graduates, in addition to spring 2021 graduates. (UNC.edu)