We are open Monday-Friday from 8:30 a.m. to 5:00 p.m. We are closed on University of Illinois holidays. These include Independence Day, Labor Day, Thanksgiving Day, the day after Thanksgiving, Christmas Day (Observed), the day after Christmas (Observed), New Year's Day (Observed), Martin Luther King, Jr. Day, and Memorial Day. Other closure dates will be announced in advance. Due to space constraints, Reading Room hours may be curtailed during occasional public programs.