Official Office of Commercial Affairs (Washington, DC) Holidays

Official OCA Holidays


Last Updated: November 10, 2020

Please note that the Office of Commercial Affairs may be closed on unlisted days, due to emergency or weather-related conditions as well. For additional information, see the US Government’s Office of Personnel Management (OPM) for un-announced emergency closings of government agencies in the Washington, DC area.

  • January, 2021
  • January 1, New Year's Day
    January 18, Martin Luther King, Jr. Day
  • February, 2021
  • February 15, President's Day (George Washington's Birthday)
    February 26, Makha Bucha Day
  • March, 2021
  • April, 2021
  • April 6, Chakri Memorial Day (TH)
    April 13, Songkran Day
  • May, 2021
  • May 4, Coronation Day (TH)
    May 31, Memorial Day
  • June, 2021
  • June 3, HM Queen Suthida Bajrasudhabimalalakshana's Birthday (TH)
  • July, 2021
  • July 5, Substitute for US Independence Day
    July 28, HM King Maha Vajiralongkorn Phra Vajiraklaochaoyuhua's Birthday (TH)
  • August, 2021
  • August 12, HM Queen Sirikit the Queen Mother's Birthday (TH)
  • September, 2021
  • September 6, Labor Day
  • October, 2021
  • October 11, Columbus Day
    October 13, King Bhumibol Adulyadej The Great Memorial Day (TH)
    October 25, Substitute for King Chulalongkorn The Great Memorial Day (TH)
  • November, 2021
  • November 25, Thanksgiving Day
  • December, 2021
  • December 6, Substitute for HM King Bhumibol Adulyadej The Great's Birthday Anniversary / National Day / Father's Day of Thailand (TH)
    December 24, Substitute for Christmas Day
    December 31, New Year's Eve
  • January, 2020
  • January 1, New Year's Day
    January 20, Martin Luther King, Jr. Day
  • February, 2020
  • February 17, President's Day (George Washington's Birthday)
  • March, 2020
  • April, 2020
  • April 6, Chakri Memorial Day (TH)
  • May, 2020
  • May 4, Coronation Day (TH)
    May 6, Visakha Bucha Day(TH)
    May 25, Memorial Day
  • June, 2020
  • June 3, HM Queen Suthida Bajrasudhabimalalakshana's Birthday (TH)
  • July, 2020
  • July 3, Substitute for US Independence Day
    July 27-28, HM King Maha Vajiralongkorn Phra Vajiraklaochaoyuhua's Birthday (TH)
  • August, 2020
  • August 12, Substitute for HM Queen Sirikit the Queen Mother's Birthday (TH)
  • September, 2020
  • September 4, Substitute for Songkran Day
    September 7, Labor Day
  • October, 2020
  • October 13, Substitute for King Bhumibol Adulyadej The Great Memorial Day (TH)
    October 23, King Chulalongkorn The Great Memorial Day (TH)
  • November, 2020
  • November 26, Thanksgiving Day
  • December, 2020
  • December 7, Substitute for HM King Bhumibol Adulyadej The Great's Birthday Anniversary / National Day / Father's Day of Thailand (TH)
    December 25, Christmas Day
    December 31, New Year's Eve