ten o'clock
`` Can it be that the people in Bonista do their work at night ? '' `` Oh , I 'll wager the poor _ peons _ at the mine have been at work for some time , '' Tom smiled . `` Anyway , I 'm glad we have n't kept everyone else waiting . '' At half-past ten o'clock Dr. Tisco appeared , immaculate in white . He bowed low and courteously to the guests . `` I trust , _ caballeros _ , that you have enjoyed perfect rest . '' `` Yes , '' answered Harry .