Nehemiah 8:18
Also day by day, from the first day until the last day, he read in the Book of the Law of God. And they kept the feast seven days, and on the eighth was an assembly, according to the Law.
Leviticus 23:36
Seven days you shall offer a fire offering to Jehovah. On the eighth day shall be a holy convocation to you. And you shall offer a fire offering to Jehovah. It is a solemn assembly. And you shall do no work of labor.
Numbers 29:35
On the eighth day you shall have a solemn assembly. You shall do no laboring work.
Deuteronomy 31:10-13
And Moses commanded them, saying: At the end of seven years, at the set time of the year of release, in the Feast of Tabernacles,
John 7:37
And in the last day of the great feast, Jesus stood and cried out, saying, If anyone thirsts, let him come to Me and drink.