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.

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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January 2017 : Butler Library 24-Hour Reading Rooms

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Sunday Monday Tuesday Wednesday Thursday Friday Saturday
1
Intersession
Closed
2
University Holiday
Closed
3
University Holiday
Closed
4
Intersession Building Hours
9:00am-9:00pm
5
Intersession Building Hours
9:00am-9:00pm
6
Intersession Building Hours
9:00am-7:00pm
7
Intersession Building Hours
11:00am-6:00pm
8
 
Closed
9
Intersession Building Hours
9:00am-9:00pm
10
Intersession Building Hours
9:00am-9:00pm
11
Intersession Building Hours
9:00am-9:00pm
12
Intersession Building Hours
9:00am-9:00pm
13
Intersession Building Hours
9:00am-7:00pm
14
Intersession Building Hours
11:00am-6:00pm
15
Intersession Building Hours
Closed
16
University Holiday Building Hours
9:00am-7:00pm
17
24 Hour Opening Resumes
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