Most scholars are in agreement that the book of Ezra carries on the history at the point where the Chronicles leave off, as a comparison of 2 Chronicles 36:22, 23 with Ezra 1:1-3 will show. This again points to Ezra as the writer. Jewish tradition likewise assigns the writership to Ezra.

Time and Setting. The book of Ezra was written about 460 B.C.E., along with the books of Chronicles. Ezra begins by relating the decree of Cyrus for the restoration of the Jews from Babylon. It was in the first year of Cyrus that this Persian king issued a restoration proclamation. (Ezr 1:1) Judah and Jerusalem had been left desolate of inhabitants, in the autumn of 607 B.C.E., when those left by Nebuchadnezzar moved to Egypt. The 70th year of Jerusalem’s desolation, the last enforced sabbath on the land, would end in the autumn of 537 B.C.E. Cyrus’ decree must have been issued late in 538 B.C.E. or early in 537 for two reasons. The desolation had to last until the 70th year ended, and the released Israelites would not be expected to travel in the winter rainy season, as would have been the case if the decree had been made a few months earlier. Likely it was issued in the early spring of 537 B.C.E. in order to give the Jews a chance to travel during the dry season, arrive in Jerusalem, and set up the altar on the first day of the seventh month (Tishri) of the year 537 B.C.E., September 29 according to the Gregorian calendar.​—Ezr 3:2-6.