Leviticus 23:36

seven days ye bring near a fire-offering to Jehovah, on the eighth day ye have a holy convocation, and ye have brought near a fire-offering to Jehovah; it is a restraint, ye do no servile work.

Nehemiah 8:18

And he readeth in the book of the law of God day by day, from the first day till the last day, and they make a feast seven days, and on the eighth day a restraint, according to the ordinance.

John 7:37

And in the last, the great day of the feast, Jesus stood and cried, saying, 'If any one doth thirst, let him come unto me and drink;

Numbers 29:12-38

'And on the fifteenth day of the seventh month a holy convocation ye have; ye do no servile work; and ye have celebrated a festival to Jehovah seven days,

Deuteronomy 16:8

six days thou dost eat unleavened things, and on the seventh day is a restraint to Jehovah thy God; thou dost do no work.

Joel 1:14

Sanctify a fast, proclaim a restraint, Gather the elders -- all the inhabitants of the land, Into the house of Jehovah your God,

Joel 2:15

Blow ye a trumpet in Zion, Sanctify a fast -- proclaim a restraint.

2 Chronicles 7:8-11

And solomon maketh the feast at that time seven days, and all Israel with him -- a very great assembly -- from the entering in 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 a holy convocation ye have; ye do no servile work; and ye have celebrated a festival to Jehovah seven days,

The eighth

2 Chronicles 7:8
And solomon maketh the feast at that time seven days, and all Israel with him -- a very great assembly -- from the entering in of Hamath unto the brook of Egypt.
Nehemiah 8:18
And he readeth in the book of the law of God day by day, from the first day till the last day, and they make a feast seven days, and on the eighth day a restraint, according to the ordinance.
John 7:37
And in the last, the great day of the feast, Jesus stood and cried, saying, 'If any one doth thirst, let him come unto me and drink;