2 Chronicles 7:9

On the eighth day they held a sacred assembly, for the dedication of the altar lasted seven days and the festival seven days.

Leviticus 23:36

You are to present a fire offering to the Lord for seven days. On the eighth day you are to hold a sacred assembly and present a fire offering to the Lord. It is a solemn gathering; you are not to do any daily work.

Deuteronomy 16:8

You must eat unleavened bread for six days. On the seventh day there is to be a solemn assembly to the Lord your God, and you must not do any work.

1 Kings 8:65

Solomon and all Israel with him—a great assembly, from the entrance of Hamath to the Brook of Egypt—observed the festival at that time in the presence of the Lord our God, seven days, and seven more days—14 days.

2 Chronicles 30:23

The whole congregation decided to observe seven more days, so they observed seven days with joy,

Nehemiah 8:18

Ezra read out of the book of the law of God every day, from the first day to the last. The Israelites celebrated the festival for seven days, and on the eighth day there was an assembly, according to the ordinance.

Joel 1:14

Announce a sacred fast;
proclaim an assembly!
Gather the elders
and all the residents of the land
at the house of the Lord your God,
and cry out to the Lord.

Treasury of Scripture Knowledge

Summary

And in the eighth day they made a solemn assembly: for they kept the dedication of the altar seven days, and the feast seven days.

General references

Bible References

Solemn assembly

Leviticus 23:36
You are to present a fire offering to the Lord for seven days. On the eighth day you are to hold a sacred assembly and present a fire offering to the Lord. It is a solemn gathering; you are not to do any daily work.
Deuteronomy 16:8
You must eat unleavened bread for six days. On the seventh day there is to be a solemn assembly to the Lord your God, and you must not do any work.
Nehemiah 8:18
Ezra read out of the book of the law of God every day, from the first day to the last. The Israelites celebrated the festival for seven days, and on the eighth day there was an assembly, according to the ordinance.
Joel 1:14
Announce a sacred fast;
proclaim an assembly!
Gather the elders
and all the residents of the land
at the house of the Lord your God,
and cry out to the Lord.

General references

John 7:2
The Jewish Festival of Tabernacles was near,

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.