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Irwin Lobby
Butler University Libraries

Library Hours

Regular Fall & Spring Semester Hours (August 30—April 27)

Days Irwin Science
Monday—Thursday 7:30 AM—1 AM* 8 AM—Midnight
Friday 7:30 AM—8 PM 8 AM—8 PM
Saturday 10 AM—8 PM 10 AM—8 PM
Sunday Noon—1 AM* Noon—Midnight*

*The doors to Irwin Library lock at 10 PM. To gain access to the building after this time, an active Butler ID is required.

Post-Summer and Pre-Fall Semester Hours (August 19—29)

Dates Irwin Science
Aug. 19—23 (Mon.—Fri.) 8 AM—5 PM 8 AM—5 PM
Aug. 24—25 (Sat.—Sun.) CLOSED CLOSED
Aug. 26—29 (Mon.—Thu.) 8 AM—8 PM 8 AM—10 PM

Labor Day (August 30—September 2)

Dates Irwin Science
Aug. 30 (Fri.) 7:30 AM—8 PM 8 AM—6 PM
Aug. 31 (Sat.) Noon—6 PM 10 AM—6 PM
Sep. 1 (Sun.) Noon—8 PM Noon—8 PM
Sep. 2 (Mon.) Noon—1 AM* 10 AM—Midnight

*The doors to Irwin Library lock at 10 PM. To gain access to the building after this time, an active Butler ID is required.

Fall Break (October 16—20)

Dates Irwin Science
Oct. 16—17 (Wed.—Thu.) 7:30 AM—8 PM 8 AM—8 PM
Oct. 18 (Fri.) 7:30 AM—5 PM 8 AM—5 PM
Oct. 19 (Sat.) Noon—5 PM 10 AM—5 PM
Oct. 20 (Sun.) 1 PM—1 AM* Noon—Midnight

*The doors to Irwin Library lock at 10 PM. To gain access to the building after this time, an active Butler ID is required.

Thanksgiving Break (November 22—December 1)

Dates Irwin Science
Nov. 22 (Fri.) 7:30 AM—5 PM 8 AM—5 PM
Nov. 23 (Sat.) Noon—5 PM 10 AM—5 PM
Nov. 24 (Sun.) CLOSED CLOSED
Nov. 25—26 (Mon.—Tue.) 8 AM—5 PM 8 AM—5 PM
Nov. 27 (Wed.) 8 AM—Noon 8 AM—Noon
Nov. 28—30 (Thu.—Sat.) CLOSED CLOSED
Dec. 1 (Sun.) 2 PM—1 AM* 2 PM—Midnight

*The doors to Irwin Library lock at 10 PM. To gain access to the building after this time, an active Butler ID is required.

Fall 2019 Finals (December 14—22)

Dates Irwin Science
Dec. 14 (Sat.) 10 AM—10 PM 10 AM—9 PM
Dec. 15 (Sun.) Noon—2 AM* 10—1 AM
Dec. 16—19 (Mon.—Thu.) 7:30—2 AM* 8—1 AM
Dec. 20 (Fri.) 7:30 AM—5 PM 8 AM—5 PM
Dec. 21 (Sat.) CLOSED CLOSED
Dec. 22 (Sun.) CLOSED CLOSED

*The doors to Irwin Library lock at 10 PM. To gain access to the building after this time, an active Butler ID is required.

Winter Break (December 23—January 12)

Dates Irwin Science
Dec. 23 (Mon.) 8 AM—5 PM 8 AM—5 PM
Dec. 24—Jan. 1 (Tue.—Wed.) CLOSED CLOSED
Jan. 2—3 (Thu.—Fri.) 8 AM—5 PM 8 AM—5 PM
Jan. 4—5 (Sat.—Sun.) CLOSED CLOSED
Jan. 6—10 (Mon.—Fri.) 8 AM—5 PM 8 AM—5 PM
Jan. 11—12 (Sat.—Sun.) CLOSED CLOSED

 

Martin Luther King Day (January 18—20)

Dates Irwin Science
Jan. 18 (Sat.) Noon—6 PM 10 AM—8 PM
Jan. 19 (Sun.) Noon—8 PM Noon—Midnight
Jan. 20 (Mon.) Noon—1 AM* 10 AM—Midnight

*The doors to Irwin Library lock at 10 PM. To gain access to the building after this time, an active Butler ID is required.

Spring Break (March 6—15)

Dates Irwin Science
Mar. 6 (Fri.) 7:30 AM—5 PM 8 AM—5 PM
Mar. 7—8 (Sat.—Sun.) CLOSED CLOSED
Mar. 9—13 (Mon.—Fri.) 8 AM—5 PM 8 AM—5 PM
Mar. 14 (Sat.) CLOSED CLOSED
Mar. 15 (Sun.) 1 PM—1 AM* Noon—Midnight

*The doors to Irwin Library lock at 10 PM. To gain access to the building after this time, an active Butler ID is required.

Easter Weekend (April 10—12)

Dates Irwin Science
Apr. 10 (Fri.) 7:30 AM—6 PM 8 AM—5 PM
Apr. 11 (Sat.) Noon—5 PM 10 AM—5 PM
Apr. 12 (Sun.) 1 PM—1 AM* 1 PM—Midnight

*The doors to Irwin Library lock at 10 PM. To gain access to the building after this time, an active Butler ID is required.

Spring 2020 Finals (April 28—May 10)

Dates Irwin Science
Apr. 28—30 (Tue.—Thu.) 7:30 AM—2 AM* 8—1 AM
May 1 (Fri.) 7:30 AM—10 PM 8 AM—9 PM
May 2 (Sat.) 10 AM—10 PM 10 AM—9 PM
May 3 (Sun.) Noon—2 AM* 10—1 AM
May 4 (Mon.) 7:30—2 AM* 8—1 AM
May 5 (Tue.) 7:30 AM—5 PM 8 AM—5 PM
May 6—8 (Wed.—Fri.) 8 AM—5 PM 8 AM—5 PM
May 9—10 (Sat.—Sun.) CLOSED CLOSED

*The doors to Irwin Library lock at 10 PM. To gain access to the building after this time, an active Butler ID is required.