At that time the army of the king of Babylon was besieging Jerusalem, and Jeremiah the prophet was shut up in the court of the guard that was in the palace of the king of Judah.
He points out then the circumstances of that time, and not without reason, when he says, that he was then shut up in prison, and also mentions the year, even the tenth of Zedekiah and the eighteenth of king Nebuchadnezar.
It appears by the date of this chapter that we are now coming very nigh to that fatal year which completed the desolations of Judah and Jerusalem by the Chaldeans. God's judgments came gradually upon them, but, they not meeting him by repentance in the way of his judgments, he proceeded in his controversy till all was laid waste, which was in the eleventh year...
Commenting on Jeremiah 32:1-15
For then the king of Babylon's army besieged Jerusalem,.... And had done so for some time; for the siege began in the ninth year of Zedekiah's reign, on the tenth day of the tenth month, Jer 52:4; and Jeremiah the prophet was shut up in the court of the prison, which was in the king of Judah's house; which showed great stupidity and hardness of...