five o'clock
`` It would n't be any trick at all to get over to the interurban tracks in time to catch the four o'clock northbound . That gets to Watertown at four twenty-five -- say half-past . We ought to be able to get the gas and rout out a machine to haul it in inside another half hour . That 's five o'clock . Then an hour certainly would see us back here , with a good hour and more of daylight left . '' `` I 've gone over all that in my mind a dozen times . But I 've also spent a little time figuring what these men would be doing in the meanwhile .