two o’clock
Now and then a barge swung out into the turbid stream , and floated away with the tide , and the railway signals changed from green to scarlet as the trains ran shrieking across the bridge . After some time , twelve o'clock boomed from the tall tower at Westminster , and at each stroke of the sonorous bell the night seemed to tremble . Then the railway lights went out , one solitary lamp left gleaming like a large ruby on a giant mast , and the roar of the city became fainter . At two o'clock he got up , and strolled towards Blackfriars . How unreal everything looked ! How like a strange dream ! The houses on the other side of the river seemed built out of darkness .