When Is Martin Luther King Jr Day 2025 Calendar. Martin luther king day 2025 is an annual federal american holiday that celebrates the birthday of martin luther king jr. Day 2025 is on monday 20th jan, 2025 (20/01/2025) in 10 days what is martin luther king jr.

Day was officially observed in all 50 states for the first time in 2000. It is a federal holiday and that’s why most.