'Seventh' in the Bible

On the seventh day, when the king was feeling good from the wine, Ahasuerus commanded Mehuman, Biztha, Harbona, Bigtha, Abagtha, Zethar, and Carkas, the seven eunuchs who personally served him,

She was taken to King Ahasuerus in the royal palace in the tenth month, the month Tebeth, in the seventh year of his reign.