Library Hours

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Check hours for Butler Library Service Hours

Open to all during Butler Library Service Hours; all other hours are limited to current students, faculty, and staff of Columbia University and its affiliates./

April 18-May 13, 2016: Select graduate reading rooms on the 5th and 6th floors will be open 23 hours/day (excludes rooms 601, 602, 603, and 604). Each room will close from 5am-6am for daily maintenance.

During 24/7 hours, each of the 24-hour reading rooms will close for one hour for maintenance. Room closures and other information about the reading rooms may be found here.
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May 2016 : Butler Library 24-Hour Reading Rooms

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Intersesssion Building Hours
9:00am-7:00pm
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Intersesssion Building Hours
11:00am-6:00pm
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Intersession
Closed
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Intersession Building Hours
9:00am-9:00pm
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Intersession Building Hours
9:00am-9:00pm
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University Commencement
1:00pm-9:00pm
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Intersession Building Hours
9:00am-9:00pm
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Intersession Building Hours
9:00am-7:00pm
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Intersession Building Hours
11:00am-6:00pm
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Intersession
Closed
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Summer Classes Begin
9:00am-11:00pm
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Building Hours
9:00am-11:00pm
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Building Hours
9:00am-11:00pm
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Building Hours
9:00am-11:00pm
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Building Hours
9:00am-9:00pm
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Building Hours
11:00am-6:00pm
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Closed
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University Holiday
Closed
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Building Hours
9:00am-11:00pm
       
 
 
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