Memorial Day 2026 observances bring varied business hours for retailers and other services. CBS News reports that most retail stores are open for business on Memorial Day, while the U.S. Postal Service post offices are closed. Newsweek similarly notes that store hours are not uniform across businesses: some retailers open as usual, others operate on reduced schedules, and some remain closed. Together, the reports emphasize that customers should check the specific hours for the stores or locations they plan to visit, since policies differ by retailer and may include both full and shortened operating hours. In addition to shopping hours, residents also need to consider service-hour differences for government and essential services, with post offices closed as stated by CBS. Overall, the guidance is to confirm local and individual business hours in advance rather than relying on a single nationwide schedule.