No one would say that.
A light-year is a UNIT of distance, not time.
The Big Bang Theory Season 1, Episode 17
The Emergency Unit stays in Madrid.
Money Heist Season 3, Episode 8
Abernathy's control UNIT.
Westworld Season 2, Episode 7
with her father's
control UNIT.
Westworld Season 2, Episode 7
Any UNIT nearby?
Money Heist Season 1, Episode 9