Martin Luther King Jr. Day 2026: Holiday Today (January 19) – Banks, Stock Market, Mail Delivery & What's Closed Martin Luther King Jr. Day 2026: Holiday Today (January 19) – Banks, Stock Market, Mail Delivery & What's Closed Today, Monday, January 19, 2026 , Americans observe Martin Luther King Jr. Day — a federal holiday honoring the life and legacy of civil rights leader Dr. Martin Luther King Jr. This annual observance falls on the third Monday in January and celebrates his contributions to equality, justice, and nonviolent activism. Many people search today for practical information: Are banks open on MLK Day 2026? Is the stock market open today? Does mail run on Martin Luther King Jr. Day? Below is a clear, up-to-date guide to closures and services. Is MLK Day 2026 a Federal Holiday? Yes. Martin Luther King Jr. Day is one of 11 federal holidays in the United States. In 2026, it fal...