Building Access and Information Please find Fall 2021 hours below. Expand all Collapse all Jerome Greene Hall 116th Street Entrance Only Open 7 days, 7:00 AM to 11:00 PM Greene Annex Main Entrance Monday – Friday: 7:00am to 10:00pm, CUID Access Only Greenhouse Main Entrance CUID Access for Journal Students Only William and June Warren (“Big Warren”) Hall Main Entrance Monday – Thursday: 7:00am to 10:00pm Friday – Saturday: 7:00am to 8:00pm Sunday: 8:00am to 6:00pm Elevator Floors (5 through 8) Monday – Friday: 7:00am to 7:00pm William C. Warren ("Little Warren") Main Entrance Monday–Thursday: 8 a.m. to 10 p.m. Sunday – Saturday: 7:00am to 10:00pm CUID Only
