After three years of training he entered the service of King Nebuchadnezzar. 다니엘서에 따르면 벨사살 왕이 왕이었을 때 다니엘은 그에게 잘 알려지지 않았습니다. So the period of this prophecy was during the latter days of the Babylonian kingdom when Daniel was a man of about seventy years of age.