Library Hours

Lisle Campus (CT)

Library

Monday-Thursday 8am-9pm CT

Friday 8am-5pm CT

Saturday & Sundays are CLOSED.

Research Help Desk & Chat

Monday-Friday: 8:00 am – 5:00 pm (8 am – 9 am virtual-only)
Saturday-Sunday: no chat available

Exceptions

The library will close the following days:

Sep 4 (Labor Day): Closed
Nov 22-24 (Thanksgiving): Closed
Dec 18-Jan 2 (Christmas & New Year’s Holidays): Closed
Mar 4-8 (Spring Break): M-F 9:00 am – 5:00 pm
Mar 29-Apr 1 (Easter): Closed

Mesa Campus (MST)

Library

Monday: 7am – 10pm

Tuesday-Thursday: 7am – 8pm

Friday: 7am – 6pm

Saturday: 9am – 1pm

Sunday: Closed

Chat

Monday-Thursday: 6:00 am – 3:00 pm (After Nov 5: 7:00 am – 4:00 pm)
Friday: 6:00 am – 1:00 pm (After Nov 5: 7:00 am – 2:00 pm)

Exceptions

The library will close the following days:

Sep 4 (Labor Day): Closed
Nov 22-24 (Thanksgiving): Closed
Dec 18-Jan 2 (Christmas & New Year’s Holidays): Closed
Mar 29-Apr 1 (Easter): Closed