'Seventh' in the Bible

And it cometh to pass, on the seventh day, that they say to Samson's wife, 'Entice thy husband, that he declare to us the riddle, lest we burn thee and the house of thy father with fire; to possess us have ye called for us? is it not?'

And she weepeth for it the seven days in which their banquet hath been, and it cometh to pass on the seventh day that he declareth it to her, for she hath distressed him; and she declareth the riddle to the sons of her people.

And the men of the city say to him on the seventh day, before the sun goeth in: -- 'What is sweeter than honey? And what stronger than a lion?' And he saith to them: 'Unless ye had ploughed with my heifer, Ye had not found out my riddle.'