five o'clock
He stood awhile leaning against his bicycle , deep in thought , until Güntz pressed his hand , and said , `` Good night , dear boy ! '' And Reimers answered , `` Good-night , my dear Güntz . '' Güntz put his bicycle carefully away , and then quietly went upstairs . During the summer months , when his duty sometimes began at five o'clock or even earlier , he occupied a small bedroom next to the larger one in which his wife and child slept . But the door of communication between the two rooms was always open . In a few rapid movements he took off his sword and his spurred boots . Then he went to the door of the bedroom and listened in the darkness .