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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.
March 2019
SundayMondayTuesdayWednesdayThursdayFridaySaturday
24
Open 24 hours on 02/24/2019
25
Open 24 hours on 02/25/2019
26
Open 24 hours on 02/26/2019
27
Open 24 hours on 02/27/2019
28
Open 24 hours on 02/28/2019
1
Open 24 hours on 03/01/2019
2
Open 24 hours on 03/02/2019
3
Open 24 hours on 03/03/2019
4
Open 24 hours on 03/04/2019
5
Open 24 hours on 03/05/2019
6
Open 24 hours on 03/06/2019
7
Open 24 hours on 03/07/2019
8
Open 24 hours on 03/08/2019
9
Open 24 hours on 03/09/2019
10
12:00AM-12:00AM
11
Open 24 hours on 03/11/2019
12
Open 24 hours on 03/12/2019
13
Open 24 hours on 03/13/2019
14
Open 24 hours on 03/14/2019
15
9:00AM-7:00PM
Spring Recess
16
11:00AM-6:00PM
Spring Recess
17
12:00PM-7:00PM
Spring Recess
18
9:00AM-9:00PM
Spring Recess
19
9:00AM-9:00PM
Spring Recess
20
9:00AM-9:00PM
Spring Recess
21
9:00AM-9:00PM
Spring Recess
22
9:00AM-7:00PM
Spring Recess
23
11:00AM-6:00PM
Spring Recess
24
Open 24 hours on 03/24/2019
Resume 24 hour opening after 12 noon
25
Open 24 hours on 03/25/2019
Regular Hours
26
Open 24 hours on 03/26/2019
27
Open 24 hours on 03/27/2019
28
Open 24 hours on 03/28/2019
29
Open 24 hours on 03/29/2019
30
Open 24 hours on 03/30/2019
31
Open 24 hours on 03/31/2019
1
Open 24 hours on 04/01/2019
2
Open 24 hours on 04/02/2019
3
Open 24 hours on 04/03/2019
4
Open 24 hours on 04/04/2019
5
Open 24 hours on 04/05/2019
6
Open 24 hours on 04/06/2019