Parallel
Ezra 6:15
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
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.
And this temple was completed on the third day of the month of Adar (note: Adar is the twelfth month of the Hebrew lunar calendar, usually occurring within the months of February and March.), in the sixth year of the reign of King Darius.