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.
December 2019
SundayMondayTuesdayWednesdayThursdayFridaySaturday
1
2019-12-01
11:00AM-3:00AM
2
2019-12-02
9:00AM-3:00AM
3
2019-12-03
9:00AM-3:00AM
4
2019-12-04
9:00AM-3:00AM
5
2019-12-05
9:00AM-3:00AM
6
2019-12-06
9:00AM-1:00AM
7
2019-12-07
10:00AM-11:00PM
8
2019-12-08
11:00AM-3:00AM
9
2019-12-09
9:00AM-3:00AM
10
2019-12-10
9:00AM-3:00AM
11
2019-12-11
9:00AM-3:00AM
12
2019-12-12
9:00AM-3:00AM
13
2019-12-13
9:00AM-12:00AM
Library opens at 9am and begins 24 hours for finals (we will not close at midnight)
14
2019-12-14
Open 24 hours on 12/14/2019
Library open 24 hours for finals
15
2019-12-15
Open 24 hours on 12/15/2019
Library open 24 hours for finals
16
2019-12-16
Open 24 hours on 12/16/2019
Library open 24 hours for finals
17
2019-12-17
Open 24 hours on 12/17/2019
Library open 24 hours for finals
18
2019-12-18
Open 24 hours on 12/18/2019
Library open 24 hours for finals
19
2019-12-19
Open 24 hours on 12/19/2019
Library open 24 hours for finals
20
2019-12-20
12:00AM-5:00PM
Library stops 24 hours for finals
21
2019-12-21
Closed
22
2019-12-22
Closed
23
2019-12-23
9:00AM-5:00PM
Intersession
24
2019-12-24
Closed
Christmas Eve
25
2019-12-25
Closed
Christmas Day
26
2019-12-26
9:00AM-5:00PM
Intersession
27
2019-12-27
9:00AM-5:00PM
Intersession
28
2019-12-28
Closed
29
2019-12-29
Closed
30
2019-12-30
9:00AM-5:00PM
Intersession
31
2019-12-31
Closed
New Years Eve
1
2020-01-01
Closed
New Years Day
2
2020-01-02
9:00AM-5:00PM
Intersession
3
2020-01-03
9:00AM-5:00PM
Intersession
4
2020-01-04
Closed