Now it came to pass in the thirtieth year It is very uncertain from whence this computation of time commences. But the most probable opinion seems to be that which the Chaldee paraphrast, Archbishop Usher, Dr. Prideaux, and other learned men adopt: namely, that these thirty years are to be reckoned from the time when Josiah and all the people of Judah entered into that solemn covenant mentioned 2 Kings 22:3; and when the book of the law was found by Hilkiah the priest, which was in the eighteenth year of Josiah, from which date, it appears, to the fifth year of the captivity, were thirty years. This being an event which put the Jewish state upon a new trial, was certainly sufficiently remarkable to render the time when it took place an era proper to be dated from. Accordingly, from the same period learned men compute the forty years of Judah's transgression, mentioned Ezekiel 4:6. In the fourth month Thammuz, which nearly corresponds to our July; as I was among the captives Carried away by Nebuchadnezzar, with King Jehoiachin, 2 Kings 24:14. Thus the godly are sometimes involved in the same outward calamities which befall the wicked. By the river Chebar Which river Ammianus calls Aboras, and Ptolemy, Chaboras. It flows into the east side of the Euphrates at Circesium, or Carchemish, nearly two hundred miles northward of Babylon. On this river, at Tel-abib and other places, Nebuchadnezzar planted his Jewish captives, probably to cultivate waste lands, or to carry on some manufacture for the benefit of their victors. This was the scene of Ezekiel's prophecies, which were continued through the course of twenty-two years. Here he was present in body, though in visionary representation he was sometimes taken to Jerusalem: see Bishop Newcome.
The heavens were opened As a prelude to a heavenly vision. The appearance of the heavens, as it were, opening, seems, in this and such like cases, to have been represented first to excite attention to the vision that was to follow: see Matthew 3:16. And I saw visions of God It is probable that the captive Jews had been left some time without prophets or visions from God, which might supply the want of the more ordinary means of instruction; at length, however, God raised them up a prophet in their captivity, to whom he first revealed himself by an extraordinary vision, as he had done to Isaiah, chap. 6., to Jeremiah, chap. 1., to Abraham, Acts 7:2, and to many others of his servants, in order, as it were, to open and settle a correspondence, and a satisfactory way of intercourse, so that there needed not afterward a vision upon every fresh revelation made to them.