five o'clock
`` Now , tell Sydney and the Duke as soon as you can . To-morrow is our first day of opportunity , and we must be ready . Should it rain heavily or should the mist hang , we shall take our chance . All we have to do is to secure the Warder just as the five o'clock bell rings , and lie down over there inside the wall of this little yard . No one ever looks over . They will think as they pass from the farm that we have marched in as usual . '' Before night Featherstone had told the Duke and Sydney , and the manner of those convicts changed mysteriously from that moment .