Leviticus 23:39-41 Catholic Public Domain Version (CPDV)

39. Therefore, from the fifteenth day of the seventh month, when you will have gathered together all the fruits of your land, you shall celebrate the feast of the Lord for seven days. The first day and the eighth day shall be a Sabbath, that is, a day of rest.

40. And you shall take for yourselves, on the first day, the fruits of the most beautiful tree, and branches of palm trees, and branches of trees with thick foliage, and willows from the torrent. And you shall rejoice in the sight of the Lord your God.

41. And you shall celebrate its solemnity for seven days each year. This shall be an everlasting ordinance in your generations. In the seventh month, you shall celebrate the feast,

Leviticus 23