Charles Ellicott Commentary Ezekiel 24:2

"Son of man, write thee the name of the day, [even] of this selfsame day: the king of Babylon drew close unto Jerusalem this selfsame day." — Ezekiel 24:2 (ASV)

Write you the name. —It is evident that special attention was to be called to the exact date, and a note made of it at the time. The words “has set himself against” would be more accurately rendered has fallen upon.

The supposition that the reference is to some point on his march from which Nebuchadnezzar advanced to the attack upon Jerusalem, and that news of this was brought to the prophet in the ordinary way, is quite inconsistent with the whole verse. It is plain that the prophet means to say, with special emphasis and distinctness, that he was informed of what was taking place at Jerusalem on the same day on which it happened.