How many days to take oath of office after commencement date?

The specific number of days to take the oath of office after the commencement date can vary based on the position and jurisdiction. For example, in the United States, the President is inaugurated on January 20th following the election, and the oath of office is taken on that same day. In other contexts, it may differ, so it's essential to refer to the relevant laws or regulations governing the position in question.