midnight
`` Say , fellows , is n't that the square , and does n't it look like it might be the Sherman House ? '' asked Frank . `` As sure as you live , '' replied Bluff . `` That would be a tough thing , for the people there to climb out near midnight , and the mercury hovering half way down to zero ! '' `` Hurry ! Perhaps we can help some ! '' exclaimed good-hearted Jerry , and they increased their pace .