Library Hours

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Columbia University Library Hours

Semester Summary - Spring 2017

Stacks and service desks may close before the stated times: closing procedures may begin up to 30 minutes before the stated times. Library hours change during holiday, examination, and intersession periods, and this information may be found under "Exceptions" or by contacting individual libraries.

This summary only represents typical hours for the semester. Individual library hours pages should always be consulted for the most up-to-date information.

Location Mondays Tuesdays Wednesdays Thursdays Fridays Saturdays Sundays
Avery Architectural & Fine Arts Library 9am-11pm 9am-11pm 9am-11pm 9am-11pm 9am-9pm 10am-7pm Noon-10pm
Barnard College Library 8:30am-Midnight 8:30am-Midnight 8:30am-Midnight 8:30am-Midnight 8:30am-6pm 10am-6pm 10am-Midnight
Exceptions: Exam hours, May 3: 12m-12m; Exam hours, May 8: 12m-12m; Exam hours, May 10: 12m-12m; May 17: 10am-6pm; May 24: 10am-6pm
Business & Economics Library 8am-Midnight 8am-Midnight 8am-Midnight 8am-10pm 8am-9pm 10am-9pm 10am-11pm
Exceptions: Extended Exam Hours - Restricted Access , May 4: 8am-12m; Extended Exam Hours , May 11: 8am-12m; reduced hours, May 15-May 16: 8am-5pm; Commencement Day, May 17: 8am-5pm; reduced hours, May 18: 8am-5pm
Butler Library 24-Hour Reading Rooms 24 Hours 24 Hours 24 Hours 24 Hours 24 Hours 24 Hours 24 Hours
Butler Library Circulation and Reserves 9am-11pm 9am-11pm 9am-11pm 9am-11pm 9am-9pm 11am-6pm Noon-11pm
Butler Library Service Hours 9am-11pm 9am-11pm 9am-11pm 9am-11pm 9am-9pm 11am-6pm Noon-11pm
Exceptions: Intersession Building Hours, May 12: 9am-7pm; Intersession Building Hours, May 15-May 16: 9am-9pm; Commencement, May 17: 1pm-9pm; Intersession Building Hours, May 18: 9am-9pm; Intersession Building Hours, May 19: 9am-7pm
Columbia University Archives 9am-7:45pm 9am-4:45pm 9am-4:45pm 9am-4:45pm 9am-4:45pm Closed Closed
Exceptions: Commencement, May 17: 1pm-4:45pm
Digital Humanities Center 11am-6pm 11am-9pm 11am-9pm 11am-9pm 11am-6pm Noon-6pm Noon-6pm
Digital Social Science Center (DSSC) Data Service 2pm-4pm 2pm-4pm Closed 2pm-4pm Closed Closed Closed
Exceptions: Mar 30: 12pm-4pm; Apr 3-Apr 4: 12pm-4pm; Apr 5: 12:30pm-4:30pm; Apr 6: 12pm-4pm; Apr 10: 12pm-4pm; Closed for The Art of Data Visualization, Apr 11: CLOSED; Apr 13: 12pm-4pm; Apr 17-Apr 18: 12pm-4pm; Apr 19: 12:30pm-4:30pm; Apr 20: 12pm-4pm; Apr 24-Apr 25: 12pm-4pm; Apr 26: 12:30pm-4:30pm; Apr 27: 12pm-4pm; May 3: 2:30pm-4:30pm; May 10: 2:30pm-4:30am
East Asian Library (Starr) 9am-11pm 9am-11pm 9am-11pm 9am-11pm 9am-7pm Noon-7pm Noon-10pm
Geology 9am-7pm 9am-7pm 9am-7pm 9am-7pm 9am-5pm Noon-5pm Noon-5pm
Health Sciences Library 9am-7pm 9am-7pm 9am-7pm 9am-7pm 9am-5pm Closed Noon-8pm
Journalism Library 10am-8pm 10am-8pm 10am-8pm 10am-8pm 10am-6pm Closed Closed
Law Library 8am-Midnight 8am-Midnight 8am-Midnight 8am-Midnight 8am-Midnight 10am-8pm 10am-Midnight
Lehman Social Sciences Library 9am-Midnight 9am-Midnight 9am-Midnight 9am-Midnight 9am-7pm 10am-6pm 11am-11pm
Exceptions: May 4: 9am-4am; May 6: 10am-4am; May 13: CLOSED; May 20: CLOSED
Library Information Office 9am-5:45pm 9am-5:45pm 9am-5:45pm 9am-5:45pm 9am-5:45pm 11am-5:45pm Noon-4:45pm
Mathematics Library 9am-11pm 9am-11pm 9am-11pm 9am-11pm 9am-7pm 11am-6pm 11am-10pm
Exceptions: Intersession, May 19: 9am-5pm
Music & Arts Library (Wiener) 9am-9pm 9am-9pm 9am-9pm 9am-9pm 9am-5pm Noon-8pm 1pm-9pm
Periodicals & Microforms Reading Room 9am-11pm 9am-11pm 9am-11pm 9am-11pm 9am-9pm 11am-6pm Noon-11pm
Rare Book & Manuscript Library 9am-7:45pm 9am-4:45pm 9am-4:45pm 9am-4:45pm 9am-4:45pm Closed Closed
Exceptions: Commencement, May 17: 1pm-4:45pm
Science & Engineering Library 9am-3am 9am-3am 9am-3am 9am-3am 9am-1am 11am-11pm 11am-3am
Social Work Library 10am-8pm 10am-9pm 10am-9pm 10am-9pm 10am-6pm 10am-6pm Noon-8pm
Exceptions: May 9-May 11: 10am-6pm; May 16-May 18: 10am-6pm
Teachers College 8am-11pm 8am-11pm 8am-11pm 8am-11pm 8am-11pm 8am-8pm 9am-10pm
Exceptions: Final Exams, Apr 24-Apr 29: 8am-1am; Final Exams, Apr 30: 9am-1am; Final Exams, May 1-May 6: 8am-1am; Final Exams, May 7: 9am-1am; Final Exams, May 8: 8am-1am; Weekend Not in Term, May 13-May 14: CLOSED
The Burke Library 9am-10pm 9am-10pm 9am-10pm 9am-10pm 9am-4:45pm 10am-5pm 2pm-10pm