Science & Engineering Library

Visit us or call 212-851-2950 during the hours below. For reference help, email us any time at ref-sci@columbia.edu, or chat with a librarian.
April 2025
SundayMondayTuesdayWednesdayThursdayFridaySaturday
30
2025-03-30
11:00AM-3:00AM
31
2025-03-31
9:00AM-3:00AM
1
2025-04-01
9:00AM-3:00AM
2
2025-04-02
9:00AM-3:00AM
3
2025-04-03
9:00AM-3:00AM
4
2025-04-04
9:00AM-11:00PM
5
2025-04-05
10:00AM-11:00PM
6
2025-04-06
11:00AM-3:00AM
7
2025-04-07
9:00AM-3:00AM
8
2025-04-08
9:00AM-3:00AM
9
2025-04-09
9:00AM-3:00AM
10
2025-04-10
9:00AM-3:00AM
11
2025-04-11
9:00AM-11:00PM
12
2025-04-12
10:00AM-11:00PM
13
2025-04-13
11:00AM-3:00AM
14
2025-04-14
9:00AM-3:00AM
15
2025-04-15
9:00AM-3:00AM
16
2025-04-16
9:00AM-3:00AM
17
2025-04-17
9:00AM-3:00AM
18
2025-04-18
9:00AM-11:00PM
19
2025-04-19
10:00AM-11:00PM
20
2025-04-20
11:00AM-3:00AM
21
2025-04-21
9:00AM-3:00AM
22
2025-04-22
9:00AM-3:00AM
23
2025-04-23
9:00AM-3:00AM
24
2025-04-24
9:00AM-3:00AM
25
2025-04-25
9:00AM-11:00PM
26
2025-04-26
10:00AM-11:00PM
27
2025-04-27
11:00AM-3:00AM
28
2025-04-28
9:00AM-3:00AM
29
2025-04-29
9:00AM-3:00AM
30
2025-04-30
9:00AM-3:00AM
1
2025-05-01
9:00AM-3:00AM
2
2025-05-02
9:00AM-11:00PM
3
2025-05-03
10:00AM-11:00PM