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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.
January 2020
SundayMondayTuesdayWednesdayThursdayFridaySaturday
29
Closed
Intersession
30
9:00AM-5:00PM
Intersession
31
Closed
University Holiday
1
Closed
2
9:00AM-9:00PM
3
9:00PM-7:00PM
4
11:00AM-6:00PM
5
Closed
Intersession
6
9:00AM-9:00PM
Intersession
7
9:00AM-9:00PM
Intersession
8
9:00AM-9:00PM
Intersession
9
9:00AM-9:00PM
Intersession
10
9:00AM-7:00PM
Intersession
11
11:00AM-6:00PM
Intersession
12
Closed
Intersession
13
9:00AM-9:00PM
Intersession
14
9:00AM-9:00PM
Intersession
15
9:00AM-9:00PM
Intersession
16
9:00AM-9:00PM
Intersession
17
9:00AM-7:00PM
Intersession
18
11:00AM-6:00PM
Intersession
19
Closed
20
9:00AM-7:00PM
University Holiday Early Closing
21
Open 24 hours on 01/21/2020
Resume 24 hour opening after 9 am
22
Open 24 hours on 01/22/2020
23
Open 24 hours on 01/23/2020
24
Open 24 hours on 01/24/2020
25
Open 24 hours on 01/25/2020
26
Open 24 hours on 01/26/2020
27
Open 24 hours on 01/27/2020
28
Open 24 hours on 01/28/2020
29
Open 24 hours on 01/29/2020
30
Open 24 hours on 01/30/2020
31
Open 24 hours on 01/31/2020
1
Open 24 hours on 02/01/2020