6:9 “‘If anyone dies very suddenly beside him and he defiles his consecrated head, then he must shave his head on the day of his purification – on the seventh day he must shave it.
29:1 “‘On the first day of the seventh month, you are to hold a holy assembly. You must not do your ordinary work, for it is a day of blowing trumpets for you.
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.
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.