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Butler Library 24-Hour Reading Rooms

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.
November 2017
SundayMondayTuesdayWednesdayThursdayFridaySaturday
29
Open 24 hours on 10/29/2017
30
Open 24 hours on 10/30/2017
31
Open 24 hours on 10/31/2017
1
Open 24 hours on 11/01/2017
2
Open 24 hours on 11/02/2017
3
Open 24 hours on 11/03/2017
4
Open 24 hours on 11/04/2017
5
12:00AM-12:00AM
6
Open 24 hours on 11/06/2017
7
Open 24 hours on 11/07/2017
8
Open 24 hours on 11/08/2017
9
Open 24 hours on 11/09/2017
10
Open 24 hours on 11/10/2017
11
Open 24 hours on 11/11/2017
12
Open 24 hours on 11/12/2017
13
Open 24 hours on 11/13/2017
14
Open 24 hours on 11/14/2017
15
Open 24 hours on 11/15/2017
16
Open 24 hours on 11/16/2017
17
Open 24 hours on 11/17/2017
18
Open 24 hours on 11/18/2017
19
Open 24 hours on 11/19/2017
20
Open 24 hours on 11/20/2017
21
Open 24 hours on 11/21/2017
22
12:00AM-5:00PM
Early Closing
23
Closed
University Holiday
24
9:00AM-5:00PM
University Holiday
25
11:00AM-12:00AM
Resume 24 hour opening after 11 am
26
Open 24 hours on 11/26/2017
27
Open 24 hours on 11/27/2017
28
Open 24 hours on 11/28/2017
29
Open 24 hours on 11/29/2017
30
Open 24 hours on 11/30/2017
1
Open 24 hours on 12/01/2017
2
Open 24 hours on 12/02/2017