And this house was finished on the third day of the month Adar, which was in the sixth year of the reign of Darius the king. This house was finished - The sixth year of Darius mentioned here was about A.M. 3489, twenty years after the foundation had been laid by Zerubbabel, under the reign of Cyrus.
Related Commentaries of Ezra 6:15
Ezra 6:15
15 And this house was finished on the third day of the month Adar, which was in the sixth year of the reign of Darius the king.