41 And you shall keep it a feast to the LORD seven days in the year. It shall be a statute forever in your generations: You shall celebrate it in the seventh month.
Leviticus 23:41 Cross References - TKJU
Numbers 29:12
12 And on the fifteenth day of the seventh month you shall have a holy convocation; you shall do no servile work, and you shall keep a feast to the LORD seven days:
Nehemiah 8:18
18 Also day by day, from the first day to the last day, he read in the book of the law of God. And they kept the feast seven days; and on the eighth day was a solemn assembly, according to the manner.