Martin Luther King Jr. Day Calendar When: January 18, 2016 all-day 2016-01-18T00:00:00-06:00 2016-01-19T00:00:00-06:00 Where: USA Holiday 3rd Monday in January. Each year on the third Monday of January, America honors the birth, life and dream of Dr. Martin Luther King, Jr. Information provided by www.officeholidays.com