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Butler Library Building Hours

24 hour access to Butler Library is limited to current students, faculty, and staff of Columbia University and its affiliates.
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.
Butler Library service hours may be found here.
December 2019
SundayMondayTuesdayWednesdayThursdayFridaySaturday
1
Open 24 hours on 12/01/2019
2
Open 24 hours on 12/02/2019
3
Open 24 hours on 12/03/2019
4
Open 24 hours on 12/04/2019
5
Open 24 hours on 12/05/2019
6
Open 24 hours on 12/06/2019
7
Open 24 hours on 12/07/2019
8
Open 24 hours on 12/08/2019
9
Open 24 hours on 12/09/2019
10
Open 24 hours on 12/10/2019
11
Open 24 hours on 12/11/2019
12
Open 24 hours on 12/12/2019
13
Open 24 hours on 12/13/2019
14
Open 24 hours on 12/14/2019
15
Open 24 hours on 12/15/2019
16
Open 24 hours on 12/16/2019
17
Open 24 hours on 12/17/2019
18
Open 24 hours on 12/18/2019
19
Open 24 hours on 12/19/2019
20
9:00AM-7:00PM
Intersession
21
11:00AM-6:00PM
Intersession
22
Closed
Intersession
23
9:00AM-5:00PM
Intersession
24
Closed
University Holiday
25
Closed
University Holiday
26
9:00AM-5:00PM
Intersession
27
9:00AM-5:00PM
Intersession
28
11:00AM-6:00PM
Intersession
29
Closed
Intersession
30
9:00AM-5:00PM
Intersession
31
Closed
University Holiday
1
Closed
University Holiday
2
9:00AM-9:00PM
Intersession
3
9:00AM-7:00PM
Intersession
4
11:00AM-6:00PM
Intersession