about six o'clock
`` I shall be very pleased to see you , '' I replied . `` We are going out to dinner this evening , but I shall be at home and disengaged till about seven . '' `` Thank you very much . Then I shall do myself the pleasure of calling upon you about six o'clock . Till then , farewell ! '' A graceful wave of the hand , and my unknown friend had disappeared round the corner of the street . Now at last , I thought , something is going to happen in my uneventful life -- something to break the monotony of existence .