Numbers 11:20

11:20 but a whole month, until it comes out your nostrils and makes you sick, because you have despised the Lord who is among you and have wept before him, saying, “Why did we ever come out of Egypt?”’”

Numbers 29:12

The Feast of Temporary Shelters

29:12 “‘On the fifteenth day of the seventh month you are to have a holy assembly; you must do no ordinary work, and you must keep a festival to the Lord for seven days.

Numbers 31:19

Purification After Battle

31:19 “Any of you who has killed anyone or touched any of the dead, remain outside the camp for seven days; purify yourselves and your captives on the third day, and on the seventh day.