TVNZ7 is going to be replaced by a delayed broadcast of TV ONE from July 1.
TVNZ announced this morning the "plus one" channel will replace the current affairs, documentary and news channel, which has lost its Government funding.
The new channel will be an exact duplicate of TV ONE, broadcast an hour later, mirroring a TV3 equivalent launched on Freeview three years ago.
In a statement, TVNZ said changing viewer habit have seen "time-shifted channels" established internationally.
"Long working hours, shift work and traffic problems have had an impact on the numbers able to watch the evening news in its traditional time slot, and there is now an identifiable global trend towards time-shifting by consumers," the statement said.