Inauguration Day occurs in the USA once every four years on January 20. It occurs in the year after presidential elections have been held. Is Inauguration Day a Public Holiday? Inauguration Day is a public holiday. It is a day off for the general population, and schools and most businesses are closed. What Do People Do? The new terms of office of the president and vice-president officially begin at noon in Washington DC. On Inauguration Day the candidates, who won…