Nehemiah 8:18
Day by day, from the first day till the last, he read from the book of the Law of God. They kept the feast for seven days: and on the eighth day there was a holy meeting, as it is ordered in the law.
Leviticus 23:36
Bring a sacrifice by fire to Jehovah for seven consecutive days. On the eighth day there will be a holy assembly. Bring Jehovah a sacrifice by fire. This is the last festival of the year. Do not do any regular work.
Numbers 29:35
On the eighth day you must hold a religious assembly. Do no daily work.
Deuteronomy 31:10-13
Moses commanded them: At the end of every seven years, at the time of the year of remission of debts, at the Feast of Booths,
John 7:37
On the last day, the great day of the feast, Jesus stood and shouted in a loud voice: If any man thirst let him come to me and drink.