For some reason, during the past half hour I had felt very much alone.

Which just might be the most important point made during the hour.

You will remember nothing of what has happened during the last hour.

These are run either before, during or after school hours.

And where was she during the dark hours of the night?

The game is set during the late hours of the night.

I could deal with the fact of what had happened during the past two hours.

Well, she could do nothing during the hours of dark.

He died a short time later, during the early hours of the next day.

What exactly he did during the next few hours is not known.