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John M. Olin Library Hours

* Washington University ID required after 9 p.m. until Help Desk - Circulation opening the following business day.

August 31 - September 6, 2015

Location
Monday-Thursday
Friday
Saturday
Sunday
Building Open *
7:30a - 2:00a
7:30a - 8:00p
9:00a - 10:00p
10:00a - Midnight
Administration
8:30a - 5:00p
8:30a - 5:00p
Closed
Closed
Arc: Library Technology Center
9:00a - Midnight
9:00a - 5:00p
Noon - 5:00p
Noon - Midnight
Help Desk - Circulation
7:30a - 2:00a
7:30a - 8:00p
9:00a - 10:00p
10:00a - Midnight
Help Desk - Reference
8:30a - 9:00p
8:30a - 5:00p
9:00a - 5:00p
Noon - 8:00p
Interlibrary Loan
8:30a - 5:00p
8:30a - 5:00p
Closed
Closed
Reserves
8:30a - 5:00p
8:30a - 5:00p
Closed
Closed
Scholarly Publishing
8:30a - 5:00p
8:30a - 5:00p
Closed
Closed
Special Collections
8:30a - 5:00p
8:30a - 5:00p
Closed
Closed

September 7, 2015 (Labor Day) - Closed

September 8, 2015

Location
Tuesday
Building Open *
7:30a - (24 hour access begins)
Administration
8:30a - 5:00p
Arc: Library Technology Center
9:00a - Midnight
Help Desk - Circulation
7:30a - (24 hour access begins)
Help Desk - Reference
8:30a - 9:00p
Interlibrary Loan
8:30a - 5:00p
Reserves
8:30a - 5:00p
Scholarly Publishing
8:30a - 5:00p
Special Collections
8:30a - 5:00p

September 9 - October 22, 2015

Location
Sunday
Monday-Thursday
Friday
Saturday
Building Open *
(opening) 10:00a -
24 hour access
- 8:00p (closing)
9:00a - 10:00p
Administration
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Arc: Library Technology Center
Noon - Midnight
9:00a - Midnight
9:00a - 5:00p
Noon - 5:00p
Help Desk - Circulation
10:00a - Midnight
7:30a - 2:00a
7:30a - 8:00p
9:00a - 10:00p
Help Desk - Reference
Noon - 8:00p
8:30a - 9:00p
8:30a - 5:00p
9:00a - 5:00p
Interlibrary Loan
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Reserves
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Scholarly Publishing
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Special Collections
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed

October 23, 2015 (WILD)

Location
Friday
Building Open *
Midnight - 6:00p
Administration
8:30a - 5:00p
Arc: Library Technology Center
9:00a - 5:00p
Help Desk - Circulation
7:30a - 6:00p
Help Desk - Reference
8:30a - 5:00p
Interlibrary Loan
8:30a - 5:00p
Reserves
8:30a - 5:00p
Scholarly Publishing
8:30a - 5:00p
Special Collections
8:30a - 5:00p

October 24 - November 24, 2015

Location
Sunday
Monday-Thursday
Friday
Saturday
Building Open *
(opening) 10:00a -
24 hour access
- 8:00p (closing)
9:00a - 10:00p
Administration
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Arc: Library Technology Center
Noon - Midnight
9:00a - Midnight
9:00a - 5:00p
Noon - 5:00p
Help Desk - Circulation
10:00a - Midnight
7:30a - 2:00a
7:30a - 8:00p
9:00a - 10:00p
Help Desk - Reference
Noon - 8:00p
8:30a - 9:00p
8:30a - 5:00p
9:00a - 5:00p
Interlibrary Loan
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Reserves
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Scholarly Publishing
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Special Collections
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed

November 25, 2015

Location
Wednesday
Building Open *
Midnight - 6:00p
Administration
8:30a - 5:00p
Arc: Library Technology Center
9:00a - 5:00p
Help Desk - Circulation
7:30a - 6:00p
Help Desk - Reference
8:30a - 5:00p
Interlibrary Loan
8:30a - 5:00p
Reserves
8:30a - 5:00p
Scholarly Publishing
8:30a - 5:00p
Special Collections
8:30a - 5:00p

November 26 - 27, 2015 (Thanksgiving recess) - Closed

November 28, 2015

Location
Saturday
Building Open
9:00a - 5:00p
Administration
Closed
Arc: Library Technology Center
Noon - 5:00p
Help Desk - Circulation
9:00a - 5:00p
Help Desk - Reference
9:00a - 5:00p
Interlibrary Loan
Closed
Reserves
Closed
Scholarly Publishing
Closed
Special Collections
Closed

November 29 - December 4, 2015

Location
Sunday
Monday-Thursday
Friday
Building Open *
(opening) 10:00a -
24 hour access
- 8:00p (closing)
Administration
Closed
8:30a - 5:00p
8:30a - 5:00p
Arc: Library Technology Center
Noon - Midnight
9:00a - Midnight
9:00a - 5:00p
Help Desk - Circulation
10:00a - Midnight
7:30a - 2:00a
7:30a - 8:00p
Help Desk - Reference
Noon - 8:00p
8:30a - 9:00p
8:30a - 5:00p
Interlibrary Loan
Closed
8:30a - 5:00p
8:30a - 5:00p
Reserves
Closed
8:30a - 5:00p
8:30a - 5:00p
Scholarly Publishing
Closed
8:30a - 5:00p
8:30a - 5:00p
Special Collections
Closed
8:30a - 5:00p
8:30a - 5:00p

December 5, 2015

Location
Saturday
Building Open *
9:00a - (24 hour access begins)
Administration
Closed
Arc: Library Technology Center
Noon - 5:00p
Help Desk - Circulation
9:00a - 2:00a
Help Desk - Reference
9:00a - 5:00p
Interlibrary Loan
Closed
Reserves
Closed
Scholarly Publishing
Closed
Special Collections
Closed

December 6 - 15, 2015 (Reading Week / Exams)

Location
Sunday
Monday-Thursday
Friday
Saturday
Building Open *
24 hour access
24 hour access
24 hour access
24 hour access
Administration
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Arc: Library Technology Center
Noon - Midnight
9:00a - Midnight
9:00a - 5:00p
Noon - 5:00p
Help Desk - Circulation
10:00a - Midnight
7:30a - 2:00a
7:30a - 8:00p
9:00a - 10:00p
Help Desk - Reference
Noon - 8:00p
8:30a - 9:00p
8:30a - 5:00p
9:00a - 5:00p
Interlibrary Loan
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Reserves
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Scholarly Publishing
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Special Collections
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed

December 16, 2015

Location
Wednesday
Building Open *
Midnight - 10:00p
Administration
8:30a - 5:00p
Arc: Library Technology Center
9:00a - 5:00p
Help Desk - Circulation
7:30a - 10:00p
Help Desk - Reference
8:30a - 5:00p
Interlibrary Loan
8:30a - 5:00p
Reserves
8:30a - 5:00p
Special Collections
8:30a - 5:00p

December 17, 2015

Location
Thursday
Building Open
8:00a - 8:00p
Administration
8:30a - 5:00p
Arc: Library Technology Center
9:00a - 5:00p
Help Desk - Circulation
8:00a - 8:00p
Help Desk - Reference
8:30a - 5:00p
Interlibrary Loan
8:30a - 5:00p
Reserves
8:30a - 5:00p
Special Collections
8:30a - 5:00p

December 18, 2015

Location
Friday
Building Open
8:00a - 6:00p
Administration
8:30a - 5:00p
Arc: Library Technology Center
9:00a - 5:00p
Help Desk - Circulation
8:00a - 6:00p
Help Desk - Reference
8:30a - 5:00p
Interlibrary Loan
8:30a - 5:00p
Reserves
8:30a - 5:00p
Special Collections
8:30a - 5:00p

December 19, 2015

Location
Saturday
Building Open
9:00a - 5:00p
Administration
Closed
Arc: Library Technology Center
Closed
Help Desk - Circulation
9:00a - 5:00p
Help Desk - Reference
9:00a - 5:00p
Interlibrary Loan
Closed
Reserves
Closed
Special Collections
Closed

December 20 - 24, 2015 (Intersession)

Location
Sunday
Monday-Thursday
Building Open *
10:00a - 6:00p
8:00a - 6:00p
Administration
Closed
8:30a - 5:00p
Arc: Library Technology Center
Closed
9:00a - 5:00p
Help Desk - Circulation
10:00a - 6:00p
8:00a - 6:00p
Help Desk - Reference
Closed
8:30a - 6:00p
Interlibrary Loan
Closed
8:30a - 5:00p
Reserves
Closed
8:30a - 5:00p
Special Collections
Closed
8:30a - 5:00p

December 25, 2015 (Christmas) - Closed

December 26 - 31, 2015 (Intersession)

Location
Saturday
Sunday
Monday-Thursday
Building Open *
9:00a - 5:00p
10:00a - 6:00p
8:00a - 6:00p
Administration
Closed
Closed
8:30a - 5:00p
Arc: Library Technology Center
Closed
Closed
9:00a - 5:00p
Help Desk - Circulation
9:00a - 5:00p
10:00a - 6:00p
8:00a - 6:00p
Help Desk - Reference
9:00a - 5:00p
Closed
8:30a - 6:00p
Interlibrary Loan
Closed
Closed
8:30a - 5:00p
Reserves
Closed
Closed
8:30a - 5:00p
Special Collections
Closed
Closed
8:30a - 5:00p

January 1, 2016 (New Year's Day) - Closed

January 2 - 17, 2016 (Intersession)

Location
Saturday
Sunday
Monday-Thursday
Friday
Building Open *
9:00a - 5:00p
10:00a - 6:00p
8:00a - 6:00p
8:00a - 6:00p
Administration
Closed
Closed
8:30a - 5:00p
8:30a - 5:00p
Arc: Library Technology Center
Closed
Closed
9:00a - 5:00p
9:00a - 5:00p
Help Desk - Circulation
9:00a - 5:00p
10:00a - 6:00p
8:00a - 6:00p
8:00a - 6:00p
Help Desk - Reference
9:00a - 5:00p
Closed
8:30a - 6:00p
8:30a - 5:00p
Interlibrary Loan
Closed
Closed
8:30a - 5:00p
8:30a - 5:00p
Reserves
Closed
Closed
8:30a - 5:00p
8:30a - 5:00p
Special Collections
Closed
Closed
8:30a - 5:00p
8:30a - 5:00p

January 18, 2016 (Martin Luther King, Jr. Day) - Closed

January 19 - 30, 2016

Location
Sunday
Monday-Thursday
Friday
Saturday
Building Open *
10:00a - 2:00a
7:30a - 2:00a
7:30a - 8:00p
9:00a - 10:00p
Administration
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Arc: Library Technology Center
Noon - Midnight
9:00a - Midnight
9:00a - 5:00p
Noon - 5:00p
Help Desk - Circulation
10:00a - 2:00a
7:30a - 2:00a
7:30a - 8:00p
9:00a - 10:00p
Help Desk - Reference
Noon - 8:00p
8:30a - 9:00p
8:30a - 5:00p
9:00a - 5:00p
Interlibrary Loan
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Reserves
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Special Collections
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed

January 31 - March 11, 2016

Location
Sunday
Monday-Thursday
Friday
Saturday
Building Open *
(opening) 10:00a -
24 hour access
- 8:00p (closing)
9:00a - 10:00p
Administration
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Arc: Library Technology Center
Noon - Midnight
9:00a - Midnight
9:00a - 5:00p
Noon - 5:00p
Help Desk - Circulation
10:00a - Midnight
7:30a - 2:00a
7:30a - 8:00p
9:00a - 10:00p
Help Desk - Reference
Noon - 8:00p
8:30a - 9:00p
8:30a - 5:00p
9:00a - 5:00p
Interlibrary Loan
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Reserves
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Special Collections
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed

March 12 - 19, 2016 (Spring Break)

Location
Saturday
Sunday
Monday-Thursday
Friday
Building Open *
9:00a - 5:00p
10:00a - 6:00p
8:00a - 6:00p
8:00a - 6:00p
Administration
Closed
Closed
8:30a - 5:00p
8:30a - 5:00p
Arc: Library Technology Center
Closed
Closed
9:00a - 5:00p
9:00a - 5:00p
Help Desk - Circulation
9:00a - 5:00p
10:00a - 6:00p
8:00a - 6:00p
8:00a - 6:00p
Help Desk - Reference
9:00a - 5:00p
Closed
8:30a - 6:00p
8:30a - 5:00p
Interlibrary Loan
Closed
Closed
8:30a - 5:00p
8:30a - 5:00p
Reserves
Closed
Closed
8:30a - 5:00p
8:30a - 5:00p
Special Collections
Closed
Closed
8:30a - 5:00p
8:30a - 5:00p

March 20, 2016

Location
Sunday
Building Open *
10:00a - Midnight
Administration
Closed
Arc: Library Technology Center
Noon - Midnight
Help Desk - Circulation
10:00a - Midnight
Help Desk - Reference
Noon - 8:00p
Interlibrary Loan
Closed
Reserves
Closed
Special Collections
Closed

March 21 - April 28, 2016

Location
Sunday
Monday-Thursday
Friday
Saturday
Building Open *
(opening) 10:00a -
24 hour access
- 8:00p (closing)
9:00a - 10:00p
Administration
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Arc: Library Technology Center
Noon - Midnight
9:00a - Midnight
9:00a - 5:00p
Noon - 5:00p
Help Desk - Circulation
10:00a - Midnight
7:30a - 2:00a
7:30a - 8:00p
9:00a - 10:00p
Help Desk - Reference
Noon - 8:00p
8:30a - 9:00p
8:30a - 5:00p
9:00a - 5:00p
Interlibrary Loan
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Reserves
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Special Collections
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed

April 29, 2016 (WILD)

Location
Friday
Building Open *
Midnight - 6:00p
Administration
8:30a - 5:00p
Arc: Library Technology Center
9:00a - 5:00p
Help Desk - Circulation
7:30a - 6:00p
Help Desk - Reference
8:30a - 5:00p
Interlibrary Loan
8:30a - 5:00p
Reserves
8:30a - 5:00p
Special Collections
8:30a - 5:00p

April 30, 2016

Location
Saturday
Building Open *
9:00a - (24 hour access begins)
Administration
Closed
Arc: Library Technology Center
Noon - 5:00p
Help Desk - Circulation
9:00a - 2:00a
Help Desk - Reference
9:00a - 5:00p
Interlibrary Loan
Closed
Reserves
Closed
Special Collections
Closed

May 1 - 10, 2016 (Reading Week / Exams)

Location
Sunday
Monday-Thursday
Friday
Saturday
Building Open *
24 hour access
24 hour access
24 hour access
24 hour access
Administration
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Arc: Library Technology Center
Noon - Midnight
9:00a - Midnight
9:00a - 5:00p
Noon - 5:00p
Help Desk - Circulation
10:00a - Midnight
7:30a - 2:00a
7:30a - 8:00p
9:00a - 10:00p
Help Desk - Reference
Noon - 8:00p
8:30a - 9:00p
8:30a - 5:00p
9:00a - 5:00p
Interlibrary Loan
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Reserves
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Special Collections
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed

May 11, 2016

Location
Wednesday
Building Open *
Midnight - 10:00p
Administration
8:30a - 5:00p
Arc: Library Technology Center
9:00a - 5:00p
Help Desk - Circulation
7:30a - 10:00p
Help Desk - Reference
8:30a - 5:00p
Interlibrary Loan
8:30a - 5:00p
Reserves
8:30a - 5:00p
Special Collections
8:30a - 5:00p

May 12 - 19, 2016

Location
Sunday
Monday-Thursday
Friday
Saturday
Building Open *
10:00a - 6:00p
8:00a - 10:00p
8:00a - 6:00p
9:00a - 5:00p
Administration
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Arc: Library Technology Center
Closed
9:00a - 5:00p
9:00a - 5:00p
Closed
Help Desk - Circulation
10:00a - 6:00p
8:00a - 10:00p
8:00a - 6:00p
9:00a - 5:00p
Help Desk - Reference
Closed
8:30a - 6:00p
8:30a - 5:00p
9:00a - 5:00p
Interlibrary Loan
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Reserves
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Special Collections
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed

May 20, 2016 (Commencement)

Location
Friday
Building Open
7:30a - 5:00p
Administration
8:30a - 5:00p
Arc: Library Technology Center
9:00a - 5:00p
Help Desk - Circulation
7:30a - 5:00p
Help Desk - Reference
8:30a - 5:00p
Interlibrary Loan
8:30a - 5:00p
Reserves
8:30a - 5:00p
Special Collections
8:30a - 5:00p

May 21 - 29, 2016 (Intersession)

Location
Saturday
Sunday
Monday-Thursday
Friday
Building Open *
9:00a - 5:00p
10:00a - 6:00p
8:00a - 10:00p
8:00a - 6:00p
Administration
Closed
Closed
8:30a - 5:00p
8:30a - 5:00p
Arc: Library Technology Center
Closed
Closed
9:00a - 5:00p
9:00a - 5:00p
Help Desk - Circulation
9:00a - 5:00p
10:00a - 6:00p
8:00a - 10:00p
8:00a - 6:00p
Help Desk - Reference
9:00a - 5:00p
Closed
8:30a - 6:00p
8:30a - 5:00p
Interlibrary Loan
Closed
Closed
8:30a - 5:00p
8:30a - 5:00p
Reserves
Closed
Closed
8:30a - 5:00p
8:30a - 5:00p
Special Collections
Closed
Closed
8:30a - 5:00p
8:30a - 5:00p

May 30, 2016 (Memorial Day) - Closed

May 31 - June 12, 2016

Location
Sunday
Monday-Thursday
Friday
Saturday
Building Open *
10:00a - 6:00p
8:00a - 10:00p
8:00a - 6:00p
9:00a - 5:00p
Administration
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Arc: Library Technology Center
Closed
9:00a - 5:00p
9:00a - 5:00p
Closed
Help Desk - Circulation
10:00a - 6:00p
8:00a - 10:00p
8:00a - 6:00p
9:00a - 5:00p
Help Desk - Reference
Closed
8:30a - 6:00p
8:30a - 5:00p
9:00a - 5:00p
Interlibrary Loan
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Reserves
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Special Collections
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed

June 13 - July 3, 2016

Location
Sunday
Monday-Thursday
Friday
Saturday
Building Open *
10:00a - 6:00p
8:00a - 10:00p
8:00a - 6:00p
9:00a - 5:00p
Administration
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Arc: Library Technology Center
Closed
9:00a - 5:00p
9:00a - 5:00p
Closed
Help Desk - Circulation
10:00a - 6:00p
8:00a - 10:00p
8:00a - 6:00p
9:00a - 5:00p
Help Desk - Reference
Closed
8:30a - 8:00p
8:30a - 5:00p
9:00a - 5:00p
Interlibrary Loan
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Reserves
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Special Collections
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed

July 4, 2016 (Independence Day) - Closed

July 5 - August 7, 2016

Location
Sunday
Monday-Thursday
Friday
Saturday
Building Open *
10:00a - 6:00p
8:00a - 10:00p
8:00a - 6:00p
9:00a - 5:00p
Administration
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Arc: Library Technology Center
Closed
9:00a - 5:00p
9:00a - 5:00p
Closed
Help Desk - Circulation
10:00a - 6:00p
8:00a - 10:00p
8:00a - 6:00p
9:00a - 5:00p
Help Desk - Reference
Closed
8:30a - 8:00p
8:30a - 5:00p
9:00a - 5:00p
Interlibrary Loan
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Reserves
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Special Collections
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed

August 8 - August 21, 2016

Location
Sunday
Monday-Thursday
Friday
Saturday
Building Open *
10:00a - 6:00p
8:00a - 10:00p
8:00a - 6:00p
9:00a - 5:00p
Administration
Closed
8:30a - 5:00p
8:30a - 5:00p
Closed
Arc: Library Technology Center
Closed
9:00a - 5:00p
9:00a - 5:00p
Closed
Help Desk - Circulation
10:00a - 6:00p
8:00a - 10:00p
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Help Desk - Reference
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