'Seventh' in the Bible

On the seventh day, when the heart of the king was merry with wine, he said to Mehuman, Biztha, Harbona, Bigtha, Abagtha, Zethar, and Carcas, seven of the eunuchs attending King Ahasuerus,

Esther was taken to King Ahasuerus, to his {palace}, in the tenth month that is Tebeth in the seventh year of his reign.