nine o'clock
But -- it is _ really _ , '' looking at his watch , `` upwards of an hour since we quitted your place of business -- I fear I shall get into disgrace with that respectable gentleman , your employer . Will you favor us with a call at our office to-morrow night , when the business of the day is over ? When do you quit at night ? '' `` About half-past nine o'clock , sir ; but really -- to-morrow night ! Could n't I come to-night , sir ? '' `` Not to-night , I fear , my dear sir . We have a very important engagement .