With this verse the writer resumes the use of the Hebrew language, which he had discarded for the Chaldee from Ezra 4:8. With the exception of the letter of Artaxerxes Ezra 7:12-26, all the remainder of the book is in Hebrew.
Related Commentaries of Ezra 6:19
Ezra 6:19
19 And the children of the captivity kept the passover upon the fourteenth day of the first month.