John Gill Commentary 2 Kings 25:1

"And it came to pass in the ninth year of his reign, in the tenth month, in the tenth day of the month, that Nebuchadnezzar king of Babylon came, he and all his army, against Jerusalem, and encamped against it; and they built forts against it round about." — 2 Kings 25:1 (ASV)

Ver. 1-7. And it came to pass in the ninth year of his reign ,
2 Kings 25:2

(See Gill on 2 Kings 25:1)