logo

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.
September 2018
SundayMondayTuesdayWednesdayThursdayFridaySaturday
26
Closed
27
9:00AM-9:00PM
28
9:00AM-9:00PM
29
9:00AM-9:00PM
30
9:00AM-9:00PM
31
9:00AM-7:00PM
1
11:00AM-6:00PM
2
12:00PM-7:00PM
3
Closed
University Holiday
4
Open 24 hours on 09/04/2018
Butler opens at 9am and resumes 24 hours
5
Open 24 hours on 09/05/2018
6
Open 24 hours on 09/06/2018
7
Open 24 hours on 09/07/2018
8
Open 24 hours on 09/08/2018
9
Open 24 hours on 09/09/2018
10
Open 24 hours on 09/10/2018
11
Open 24 hours on 09/11/2018
12
Open 24 hours on 09/12/2018
13
Open 24 hours on 09/13/2018
14
Open 24 hours on 09/14/2018
15
Open 24 hours on 09/15/2018
16
Open 24 hours on 09/16/2018
17
Open 24 hours on 09/17/2018
18
Open 24 hours on 09/18/2018
19
Open 24 hours on 09/19/2018
20
Open 24 hours on 09/20/2018
21
Open 24 hours on 09/21/2018
22
Open 24 hours on 09/22/2018
23
Open 24 hours on 09/23/2018
24
Open 24 hours on 09/24/2018
25
Open 24 hours on 09/25/2018
26
Open 24 hours on 09/26/2018
27
Open 24 hours on 09/27/2018
28
Open 24 hours on 09/28/2018
29
Open 24 hours on 09/29/2018
30
Open 24 hours on 09/30/2018
1
Open 24 hours on 10/01/2018
2
Open 24 hours on 10/02/2018
3
Open 24 hours on 10/03/2018
4
Open 24 hours on 10/04/2018
5
Open 24 hours on 10/05/2018
6
Open 24 hours on 10/06/2018