Nehemiah 8:18
And day by day, from the first day till the last, he was reading from the book of the law of God. And 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
Every day for seven days give an offering made by fire to the Lord; and on the eighth day there is to be a holy meeting, when you are to give an offering made by fire to the Lord; this is a special holy day: you may do no field-work on that day
Numbers 29:35
On the eighth day let there be a holy meeting: you may do no field-work;
Deuteronomy 31:10-13
And Moses said to them, At the end of every seven years, at the time fixed for the ending of debts, at the feast of tents,
John 7:37
On the last day, the great day of the feast, Jesus got up and said in a loud voice, If any man is in need of drink let him come to me and I will give it to him.