Leviticus 23:36

For seven days you shall present an offering by fire to the Lord. On the eighth day you shall have a holy convocation and present an offering by fire to the Lord; it is an assembly. You shall do no laborious work.

Nehemiah 8:18

He read from the book of the law of God daily, from the first day to the last day. And they celebrated the feast seven days, and on the eighth day there was a solemn assembly according to the ordinance.

John 7:37

Now on the last day, the great day of the feast, Jesus stood and cried out, saying, If anyone is thirsty, let him come to Me and drink.

Numbers 29:12-38

‘Then on the fifteenth day of the seventh month you shall have a holy convocation; you shall do no laborious work, and you shall observe a feast to the Lord for seven days.

Deuteronomy 16:8

Six days you shall eat unleavened bread, and on the seventh day there shall be a solemn assembly to the Lord your God; you shall do no work on it.

Joel 1:14

Consecrate a fast,
Proclaim a solemn assembly;
Gather the elders
And all the inhabitants of the land
To the house of the Lord your God,
And cry out to the Lord.

Joel 2:15

Blow a trumpet in Zion,
Consecrate a fast, proclaim a solemn assembly,

2 Chronicles 7:8-11

So Solomon observed the feast at that time for seven days, and all Israel with him, a very great assembly who came from the entrance of Hamath to the brook of Egypt.

Treasury of Scripture Knowledge

Summary

Seven days ye shall offer an offering made by fire unto the LORD: on the eighth day shall be an holy convocation unto you; and ye shall offer an offering made by fire unto the LORD: it is a solemn assembly; and ye shall do no servile work therein.

Bible References

Seven

Numbers 29:12
‘Then on the fifteenth day of the seventh month you shall have a holy convocation; you shall do no laborious work, and you shall observe a feast to the Lord for seven days.

The eighth

2 Chronicles 7:8
So Solomon observed the feast at that time for seven days, and all Israel with him, a very great assembly who came from the entrance of Hamath to the brook of Egypt.
Nehemiah 8:18
He read from the book of the law of God daily, from the first day to the last day. And they celebrated the feast seven days, and on the eighth day there was a solemn assembly according to the ordinance.
John 7:37
Now on the last day, the great day of the feast, Jesus stood and cried out, saying, If anyone is thirsty, let him come to Me and drink.