CU Boulder Summer Operating Hours, 2025

Summer 2025 operating hours for the Boulder campus will be 7:30 a.m.–4:30 p.m., effective Monday, May 12, through Friday, Aug. 15.

On Sunday, Aug. 17, the Boulder campus will return to its regular operating hours of 8 a.m.–5 p.m.

The standard operating hours are also core business hours for student-, employee- and customer-facing services/offices. Offices that are student-, employee- or customer-facing should attempt to maintain a consistent schedule allowing for in-person services to be provided particularly during periods or hours of high demand.