'Seventh' in the Bible

All the men of Israel assembled before King Solomon during the festival in the month Ethanim (the seventh month).

The seventh time the servant said, "Look, a small cloud, the size of the palm of a man's hand, is rising up from the sea." Elijah then said, "Go and tell Ahab, 'Hitch up the chariots and go down, so that the rain won't overtake you.'"

The armies were deployed opposite each other for seven days. On the seventh day the battle began, and the Israelites killed 100,000 Syrian foot soldiers in one day.