Leviticus 23:36

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

Nehemiah 8:18

Also day by day, from the first day unto the last day, he read in the book of the law of God. And they kept the feast seven days; and on the eighth day was a solemn assembly, according unto the ordinance.

John 7:37

Now on the last day, the great day of the feast, Jesus stood and cried, saying, If any man thirst, let him come unto me and drink.

Numbers 29:12-38

And on the fifteenth day of the seventh month ye shall have a holy convocation; ye shall do no servile work, and ye shall keep a feast unto Jehovah seven days:

Deuteronomy 16:8

Six days thou shalt eat unleavened bread; and on the seventh day shall be a solemn assembly to Jehovah thy God; thou shalt do no work therein .

Joel 1:14

Sanctify a fast, call a solemn assembly, gather the old men and all the inhabitants of the land unto the house of Jehovah your God, and cry unto Jehovah.

Joel 2:15

Blow the trumpet in Zion, sanctify a fast, call a solemn assembly;

2 Chronicles 7:8-11

So Solomon held the feast at that time seven days, and all Israel with him, a very great assembly, from the entrance of Hamath unto 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
And on the fifteenth day of the seventh month ye shall have a holy convocation; ye shall do no servile work, and ye shall keep a feast unto Jehovah seven days:

The eighth

2 Chronicles 7:8
So Solomon held the feast at that time seven days, and all Israel with him, a very great assembly, from the entrance of Hamath unto the brook of Egypt.
Nehemiah 8:18
Also day by day, from the first day unto the last day, he read in the book of the law of God. And they kept the feast seven days; and on the eighth day was a solemn assembly, according unto the ordinance.
John 7:37
Now on the last day, the great day of the feast, Jesus stood and cried, saying, If any man thirst, let him come unto me and drink.

American Standard Version Public Domain