Leviticus 23:34

34 “Speak to the sons of Israel, saying, ‘On ^athe fifteenth of this seventh month is the ^bFeast of Booths for seven days to Yahweh.

Deuteronomy 16:13

13 “^aYou shall ¹celebrate the Feast of Booths seven days after you have gathered in from your threshing floor and your wine vat;