You will not leave the entrance to the tent of meeting for seven days, not until the last day of your ordination is over. It will take seven days to ordain you.
“The one to be cleansed must wash his clothes, shave off all his hair, and wash. Then he will be clean. After that he may go into the camp. However, for seven days he will live outside his tent.
The unclean person must use this water on the third day and the seventh day to take away his sin. Then he will be clean. But if he doesn’t use this water on the third day and the seventh day, he will not be clean.