3 a.m.
`` What could you see through the window beside the wheel ? '' `` It looked into the chart-room . If the light was on , I could see all but the floor . '' `` Between the hours of 1 a.m. and 3 a.m. , did any one leave or enter the after house by the after companion ? '' `` Yes , sir . Mr. Singleton went down into the chart-room , and came back again in five or ten minutes . '' `` At what time ? ''