eight o'clock
People go to the play after dinner . '' `` Yes , but it would n't be fair , it would n't be decent : it 's a case when I must be in my seat from the rise of the curtain . '' Peter , about this , was thoroughly lucid . `` I should force your mother to dine an hour earlier than usual and then in return for her courtesy should go off to my entertainment at eight o'clock , leaving her and Grace and Biddy languishing there . I wish I had proposed in time that they should go with me , '' he continued not very ingenuously . `` You might do that still , '' Nick suggested . `` Oh at this time of day it would be impossible to get a box . ''