Numbers 6:10

6:10 On the eighth day he is to bring two turtledoves or two young pigeons to the priest, to the entrance to the tent of meeting.

Numbers 9:3

9:3 In the fourteenth day of this month, at twilight, you are to observe it at its appointed time; you must keep it in accordance with all its statutes and all its customs.”

Numbers 9:11

9:11 They may observe it on the fourteenth day of the second month at twilight; they are to eat it with bread made without yeast and with bitter herbs.

Numbers 12:15

12:15 So Miriam was shut outside of the camp for seven days, and the people did not journey on until Miriam was brought back in.

Numbers 19:14

19:14 “‘This is the law: When a man dies in a tent, anyone who comes into the tent and all who are in the tent will be ceremonially unclean seven days.