'Seventh Day' in the Bible

‘But if a man dies very suddenly beside him and he defiles his dedicated head of hair, then he shall shave his head on the day when he becomes clean; he shall shave it on the seventh day.

On the seventh day it was Elishama the son of Ammihud, leader of the sons of Ephraim;

That one shall purify himself from uncleanness with the water on the third day and on the seventh day, and then he will be clean; but if he does not purify himself on the third day and on the seventh day, he will not be clean.

Then the clean person shall sprinkle on the unclean on the third day and on the seventh day; and on the seventh day he shall purify him from uncleanness, and he shall wash his clothes and bathe himself in water and shall be clean by evening.

On the seventh day you shall have a holy convocation; you shall do no laborious work.

‘Then on the seventh day: seven bulls, two rams, fourteen male lambs one year old without defect;

And you, camp outside the camp seven days; whoever has killed any person and whoever has touched any slain, purify yourselves, you and your captives, on the third day and on the seventh day.

And you shall wash your clothes on the seventh day and be clean, and afterward you may enter the camp.”