Leviticus 23:31

28 and ye do no work in this self-same day, for it is a day of atonements, to make atonement for you, before Jehovah your God.

29 `For any person who is not humbled in this self-same day hath even been cut off from his people;

30 and any person who doth any work in this self-same day I have even destroyed that person from the midst of his people;

31 ye do no work -- a statute age-during to your generations in all your dwellings.

32 It [is] a sabbath of rest to you, and ye have humbled yourselves in the ninth of the month at even; from evening till evening ye do keep your sabbath.`

33 And Jehovah speaketh unto Moses, saying,

34 `Speak unto the sons of Israel, saying, In the fifteenth day of this seventh month [is] a feast of booths seven days to Jehovah;