Leviticus 23:26-28

Darby Translation

²⁶ And Jehovah spoke to Moses, saying,

²⁷ Also on the tenth of this seventh month is the day of the atonement: a holy convocation shall it be unto you; and ye shall afflict your souls, and present an offering by fire to Jehovah.

²⁸ And ye shall do no manner of work on that same day; for it is a day of atonement, to make atonement for you before Jehovah your God.