'Seventh' in the Bible

She cried on his shoulder until the party was almost over. Finally, on the seventh day, he told her because she had nagged him so much. Then she told the young men the solution to the riddle.

On the seventh day, before the sun set, the men of the city said to him, "What is sweeter than honey? What is stronger than a lion?" He said to them, "If you had not plowed with my heifer, you would not have solved my riddle!"