nine o'clock
Silently he went to the table and , one after another , produced from some place about his person four revolvers . `` When I brung yo'al yo ' dinnah t ` night , '' he explained , `` I ` se gwine ter leave de ' door open . I ` se gwine ter p ` tend ter lock it , but it ai n't gwine ter be locked . `` At nine o'clock t ` night de ' watch am changed , an ' fer five minutes there ai n't no guard in de ' hall . That am when yo'al slip out an ' sneak down de ' hall . When yo'al gits out o ' de cas ` le , jes ' yo'al sneak roun ' to de right , an ' dere 'll be frien 's dere . '' Uncle Billy again put a warning finger to his lips .