41 It shall be an everlasting statute for your generations. In the seventh month you shall celebrate this festival.
Leviticus 23:41 Cross References - Thomson
Numbers 29:12
12 And on the fifteenth day of this seventh month, there shall be a solemn festival set apart for you. You shall do no sacrificial work. And you shall celebrate this festival to the Lord seven days.
Nehemiah 8:18
18 So he read in the book of the law of God, day by day, from the first day to the last. And when they had kept the festival for seven days, on the eighth day they kept the exod according to custom.