King’s Birthday in Tuvalu is a national public holiday, and it honors the official birthday of the reigning British monarch, who serves as Head of State in Tuvalu, a Commonwealth realm and constitutional monarchy.

King’s Birthday in the Turks and Caicos Islands is a public holiday that celebrates the official birthday of the reigning British monarch, currently King Charles III. As a British Overseas Territory, the Turks and Caicos Islands observe the King’s Birthday in line with the tradition followed across many Commonwealth realms and territories.