Ezra 6:15
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.
Torrey's Topical Textbook—AKJV

Esther 3:7
In the first month, that is, the month Nisan, in the twelfth year of king Ahasuerus, they cast Pur, that is, the lot, before Haman from day to day, and from month to month, to the twelfth month, that is, the month Adar.
Torrey's Topical Textbook—AKJV