nine o'clock
`` Now ? '' asked Miss Bürstner , `` does it have to be now ? It is a little odd , is n't it ? '' `` I 've been waiting for you since nine o'clock . '' `` Well , I was at the theatre , I did n't know anything about you waiting for me . '' `` The reason I need to speak to you only came up today '' `` I see , well I do n't see why not , I suppose , apart from being so tired I could drop . Come into my room for a few minutes then .