The holiday always falls on the third Monday in January. This year, it occurs on Monday, January 15. It's a federal holiday, which means government agencies, banks and many corporate offices will be closed for the day.
Here's what's open and closed on Martin Luther King Jr. Day.
What's closed on MLK Day 2024
Government agencies
Nonessential government offices, such as the Department of Motor Vehicles, public libraries and city offices, will be closed. State and federal courthouses will also be closed. Public schools and school districts will be closed, as well. Be sure to check ahead for local guidelines.
Postal services
The United States Postal Service will be closed Monday, so there will be no regular mail deliveries. Other delivery services - including United Parcel Service and FedEx will be operating - though FedEx Express and FedEx Ground Economy will have modified services.
Financial services
The New York Stock Exchange and NASDAQ are closed Monday. It's a banking holiday, so most banks will not be open. However, ATMs and online banking services will be available.
What's open on MLK Day 2024
Most grocery stores, restaurant chains, and major retail stores will be open on January 15 with standard store hours. This includes Costco, Target, and Walmart, among others.
CNN contributed to this report.