Bible Verses About Priests: Lasted seven days

`And thou hast done thus to Aaron and to his sons, according to all that I have commanded thee; seven days thou dost consecrate their hand;

and a bullock, a sin-offering, thou dost prepare daily for the atonements, and thou hast atoned for the altar, in thy making atonement on it, and hast anointed it to sanctify it;

seven days thou dost make atonement for the altar, and hast sanctified it, and the altar hath been most holy; all that is coming against the altar is holy.

and from the opening of the tent of meeting ye go not out seven days, till the day of the fulness, the days of your consecration--for seven days he doth consecrate your hand;