Leviticus 8:33

33 Do not leave the entrance to the tent of meeting for seven days, until the days of your ordination are completed, for your ordination will last seven days.

Read Leviticus 8:33 Using Other Translations

And ye shall not go out of the door of the tabernacle of the congregation in seven days, until the days of your consecration be at an end: for seven days shall he consecrate you.
And you shall not go outside the entrance of the tent of meeting for seven days, until the days of your ordination are completed, for it will take seven days to ordain you.
You must not leave the Tabernacle entrance for seven days, for that is when the ordination ceremony will be completed.