Leviticus 23:39
"On the fifteenth day of the seventh month, when you've harvested the produce of the land, you are to observe the festival of the LORD for seven days. The first day is to be a Sabbath rest, and the eighth day also is to be a Sabbath rest.
Exodus 23:16
You are to observe the Festival of Harvest, celebrating the first fruits of your work in planting the field, and the Festival of Tabernacles at the end of the year, when you gather the fruit of your work from the field.
Deuteronomy 16:13
"Celebrate the Festival of Tents for seven days after you harvest from your threshing floor and your wine press.
Leviticus 23:24
"Tell the Israelis that on the first day of the seventh month you are to have a Sabbath of rest for you a memorial announced by a loud blast of trumpets. It is to be a sacred assembly.
Leviticus 23:34
"Tell the Israelis that starting the fifteenth day of this seventh month is the week-long Festival of Tents to the LORD.
Leviticus 23:36
For seven days, bring offerings made by fire to the LORD. The eighth day is also to be a sacred assembly for you. Bring offerings made by fire to the LORD. It's a sacred assembly. You are not to do any servile work.