one o'clock in the morning
Every office was open , and every one of them full of a feverish activity . The sidewalks were almost as crowded as though at noontime . Messenger boys ran to and fro , and groups of men stood on the corners in earnest conversation . The whole neighbourhood was alive , and this , though it was close upon one o'clock in the morning ! `` Why , what is it all ? '' she murmured . Corthell could not explain , but all at once Page cried : `` Oh , oh , I know .