How long until Joe Biden becomes president?

Joseph Robinette Biden Jr. (/ˈbaɪdən/ BY-dən; born November 20, 1942) is an American politician and president-elect of the United States. Having defeated incumbent Donald Trump in the 2020 United States presidential election, he will be inaugurated as the 46th president in January 2021. A member of the Democratic Party, Biden previously served as the 47th vice president from 2009 to 2017 and United States Senator for Delaware from 1973 to 2009. - Source: Wikipedia

Joe Biden will become the 46th president of the United States in: