On the fifteenth day of the seventh month, you are to hold a sacred assembly; you must not do any regular work, and you shall observe a feast to the LORD for seven days.

Leviticus 23:33
And the LORD said to Moses,

Leviticus 23:34
"Speak to the Israelites and say, 'On the fifteenth day of the seventh month the Feast of Tabernacles to the LORD begins, and it continues for seven days.

Leviticus 23:36
For seven days you are to present an offering made by fire to the LORD. On the eighth day you are to hold a sacred assembly and present an offering made by fire to the LORD. It is a solemn assembly; you must not do any regular work.

Numbers 29:1
"On the first day of the seventh month, you are to hold a sacred assembly, and you must not do any regular work. This will be a day for you to sound the trumpets.

Numbers 29:13
As a pleasing aroma to the LORD, you are to present an offering made by fire, a burnt offering of thirteen young bulls, two rams, and fourteen male lambs a year old, all unblemished,

Deuteronomy 16:13
You are to celebrate the Feast of Tabernacles for seven days after you have gathered the produce of your threshing floor and your winepress.

1 Kings 12:32
And Jeroboam ordained a feast on the fifteenth day of the eighth month, like the feast that was in Judah, and he offered sacrifices on the altar; he made this offering in Bethel to sacrifice to the calves he had set up, and he installed priests in Bethel for the high places he had set up.

Ezra 3:4
They also celebrated the Feast of Tabernacles in accordance with what is written, and they offered burnt offerings daily based on the number prescribed for each day.

Ezekiel 45:25
During the seven days of the feast that begins on the fifteenth day of the seventh month, he is to make the same provision for sin offerings, burnt offerings, grain offerings, and oil.'

And on the fifteenth day of the seventh month you shall have an holy convocation; you shall do no servile work, and you shall keep a feast to the LORD seven days: