Leviticus 23:31
30. And whatsoever soul it be that doeth any work in that same day, the same soul will I destroy from among his people.31. Ye shall do no manner of work: it shall be a statute for ever throughout your generations in all your dwellings.32. It shall be unto you a sabbath of rest, and ye shall afflict your souls: in the ninth day of the month at even, from even unto even, shall ye celebrate your sabbath.
Leviticus თავი 23