'Eighth' in the Bible

On the eighth day they held a sacred assembly, for the dedication of the altar lasted seven days and the festival seven days.

They began the consecration on the first day of the first month, and on the eighth day of the month they came to the portico of the Lord’s temple. They consecrated the Lord’s temple for eight days, and on the sixteenth day of the first month they finished.

In the eighth year of his reign, while he was still a youth, Josiah began to seek the God of his ancestor David, and in the twelfth year he began to cleanse Judah and Jerusalem of the high places, the Asherah poles, the carved images, and the cast images.