Eleven o'clock
`` I always take that post as though it were one of especial danger , '' Dick answered seriously . Which was well indeed , for Yearlings Davis , Graham and Poultney were even then plotting behind the walls of their tent . `` Post number one ! Eleven o'clock , and all 's well . '' `` Post number two ! Eleven o'clock , and all 's well ! '' Cadet Prescott , midway on his post , came to a halt , bringing his rifle to port arms .