six o'clock
By five o'clock he was once more on the march . He travelled on for the greater part of that night , stopping only once towards three in the morning to water the mule from the canteen . Again the red-hot day burned up over the horizon . Even at six o'clock it was hot . `` It 's going to be worse than ever to-day , '' he groaned . `` I wish I could find another rock to camp by . Ai n't I ever going to get out of this place ? ''