D.C. Mun. Regs. tit. 6-C, § 1220
1220
(a) New Year's Day, January 1st of each year;
(b) Dr. Martin Luther King, Jr.'s Birthday, the third (3rd) Monday in January of each year;
(c) Washington's Birthday, the third (3rd) Monday in February of each year;
(d) Memorial Day, the last Monday in May of each year;
(e) Independence Day, July 4th of each year;
(f) Labor Day, the first (1st) Monday in September of each year;
(g) Columbus Day, the second (2nd) Monday in October of each year;
(h) Veterans Day, November 11th of each year;
(i) Thanksgiving Day, the fourth (4th) Thursday in November of each year;
(j) Christmas Day, December 25th of each year;
(k) District of Columbia Emancipation Day, April 16th of each year;
(l) Inauguration Day, January 20th every four years; and
(m) Juneteenth, June 19th of each year.
SOURCE: Final Rulemaking published at 69 DCR 004210 (April 29, 2022).