 Since 1937, it has taken place at noon EST on January 20, the first day of the new term, some to days after the presidential election, except for three occasions when January 20 fell on a Sunday.In those years, the presidential oath of office was administered on that day privately and then again in a public ceremony the next day, on Monday, January 21.The most recent presidential inauguration ceremony was held on Friday, January 20, 2017, when Donald Trump officially assumed presidential duties.