Leviticus 23:3
six days is work done, and in the seventh day is a sabbath of rest, a holy convocation; ye do no work; it is a sabbath to Jehovah in all your dwellings.six days is work done, and in the seventh day is a sabbath of rest, a holy convocation; ye do no work; it is a sabbath to Jehovah in all your dwellings.