John Gill Commentary Ezekiel 26:1

"And it came to pass in the eleventh year, in the first [day] of the month, that the word of Jehovah came unto me, saying," — Ezekiel 26:1 (ASV)

And it came to pass in the eleventh year Of Jehoiachin's captivity and Zedekiah's reign, the same year that Jerusalem was taken: in the first day of the month ; but what month is not mentioned; some have thought the first month, and so it was the first day of the year; others the fourth, the same in which the city of Jerusalem was taken; but more probably the fifth, the first of which was twenty days after the taking it; in which time the news of it might be brought to Tyre, at which she rejoiced; and for which her destruction is threatened, and here prophesied of: that the word of the Lord came to me, saying ; as follows: