Here’s a look at what’s open and what’s closed on MLK Day 2024: Post office – Closed. No mail will be delivered on Jan. 20th. Post offices will be closed. National parks -Open with free admission on MLK Day.

Organizations across the New York City area are marking Martin Luther King Jr. Day with special events honoring the civil rights leader's legacy.This year, the federal holiday also falls on Inauguration Day.

Many public institutions are closed for Martin Luther King Jr. Day Monday, while some private businesses remain open. Here's what to know.