Subscribe to our Question of the Week: Author: The Book of Daniel identifies the Prophet Daniel as its author (Daniel 9:2; 10:2). Jesus mentions Daniel as the author as well (Matthew 24:15). Date of Writing: The Book of Daniel was likely written between 540 and 530 B.C. Purpose of Writing: In 605 B.C., Nebuchadnezzar King of Babylon had conquered Judah and deported many of its inhabitants to Babylon – Daniel included.