I'll get through the work in an hour.
Today's success depends on this one hour.
You must make the most of your time.
I will go out in an hour.
It doesn't matter how many hours you keep that running.
I can stay awake for another 2 hours.
I know you only worked for an hour and a half, but let's call it two.
〈医者の言葉〉 The next twenty‐four hours will be critical.
Time is a precious thing, so we should make the best use of it.