Leviticus 23:41

It is Jehovah's festival. Celebrate it for seven days each year. This is a long lasting law for generations to come. Celebrate this festival in the seventh month.

Numbers 29:12

Call a holy assembly on the fifteenth day of the seventh month. You must not do any regular work. Instead, celebrate a festival to Jehovah for seven days.

Nehemiah 8:18

Day by day, from the first day till the last, he read from the book of the Law of God. They kept the feast for seven days: and on the eighth day there was a holy meeting, as it is ordered in the law.

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
Call a holy assembly on the fifteenth day of the seventh month. You must not do any regular work. Instead, celebrate a festival to Jehovah for seven days.
Nehemiah 8:18
Day by day, from the first day till the last, he read from the book of the Law of God. They kept the feast for seven days: and on the eighth day there was a holy meeting, as it is ordered in the law.