She had only known the man, really, for four hours, and known him as an enemy.

He was a stranger, anyway; a man she had known for less than twenty-four hours.

We shall not know the results for twelve hours.

Was she actually trying to figure out how to hold a man she had known for less than forty-eight hours?

They had known each other for exactly sixteen hours.

In his mind's eye he tried to picture the smile he had known for a only few hours.

By the time Spock called him, the ambassador had known for nearly six hours that his wife was dead.

But lies would catch up with him, and he wanted to know her for more than a few hours.

He told John they wouldn't know for twenty-four hours, but it looked as if the worst was over.

What we do not know, and won't for many hours, is whether deals have already been done.