eight o'clock
Charles `` swore , '' though with considerable reluctance , not to reveal the secret , when it should be imparted to him . `` You must join our society , now . '' `` Society ? '' `` Yes ; we meet to-night at eight o'clock , in the woods back of my house . '' `` What sort of a society is it , Tim ? '' asked Charles , with a great many misgivings . `` That you shall learn when we meet .