Martin Luther King Jr. Day 2026: What's Open and Closed

Martin Luther King Jr. Day, also known as MLK Day, is a federal holiday in the US, observed on the third Monday of January. On MLK Day 2026, which falls on January 19, government buildings, post offices, courts, and schools are closed. The stock market and banks are also closed. However, most major retailers, including Walmart, Costco, Target, and grocery store chains, will be open with some offering discounts on older inventory. Standard FedEx and UPS pickup and delivery services will not be available, but critical services will be offered at certain locations.