The first 100 days of Joe Biden's presidency began on January 20, 2021, the day Joe Biden was inaugurated as the 46th president of the United States. The first 100 days of a presidential term took on symbolic significance during Franklin D. Roosevelt's first term in office, and the period is considered a benchmark to measure the early success of a president. The 100th day of his presidency ended at noon on April 30, 2021.