eight o'clock
She had made herself familiar with the different objects on the road , when she returned to the banker 's house . As the time for the arrest drew nearer , Sir Giles became too restless to wait patiently at home . He went away to the police-office , eager to hear if any new counter-conspiracy had occurred to the authorities . It was dark soon after eight o'clock , at that time of the year . At nine the servants assembled at the supper-table . They were all downstairs together , talking , and waiting for their meal . Feeling the necessity of arriving at the place of meeting , in time to keep out of the Sergeant 's way , Iris assumed her disguise as the clock struck nine .