NET
2 “Son of man, write down the name of this day, this very day. The king of Babylon has laid siege to Jerusalem this very day.
Darby
2 Son of man, write thee the name of the day, of this selfsame day: on this selfsame day the king of Babylon draws near to Jerusalem.
KJV
2 Son of man, write thee the name of the day, [even] of this same day: the king of Babylon set himself against Jerusalem this same day.