- Monday - Thursday: 8 am to 10 pm
- Friday: 8 am to 5 pm
- Saturday: Closed
- Sunday: 2 pm to 6 pm
A complete listing of IRC hours and updates, including changes to normal operating hours, is available on the IRC web site. All hours updates will be published here on the IRC blog and 'tweeted' via @IRCaulibrary on Twitter; a monthly hours update is always posted on the IRC door. Welcome back!