Leviticus 23:41

And keep it a festival to Jehovah seven days in the year: a law forever to your generations; in the seventh month shall ye keep it

Numbers 29:12

And in the fifteenth day to the seventh month, a holy calling shall be to you: all work of service ye shall not do, and keep ye a festival to Jehovah seven days.

Nehemiah 8:18

And he will read in the book of the law of God day by day, from the first day even to the last day. And they will do a festival seven days; and in the eighth day a restraint according to judgment

Treasury of Scripture Knowledge

Summary

And ye shall keep it a feast unto the LORD seven days in the year. It shall be a statute for ever in your generations: ye shall celebrate it in the seventh month.

General references

Bible References

General references

Numbers 29:12
And in the fifteenth day to the seventh month, a holy calling shall be to you: all work of service ye shall not do, and keep ye a festival to Jehovah seven days.
Nehemiah 8:18
And he will read in the book of the law of God day by day, from the first day even to the last day. And they will do a festival seven days; and in the eighth day a restraint according to judgment