Building Access and Information Please find Spring 2021 hours below. Expand all Collapse all Jerome Greene Hall 116th Street Monday–Friday: 7 a.m. to 11 p.m. Saturday–Sunday: 9 a.m. to 7 p.m. Entry and exit only through 116th Street doors. Public Safety stationed in lobby to control access and verify CUID and Green Pass. William and June Warren (“Big Warren”) Hall Monday–Thursday: 8 a.m. to 10 p.m. Friday–Saturday: 8 a.m. to 7:30 p.m. Sunday: Closed Public Safety stationed in lobby to control access and verify CUID and Green Pass.