about nine o'clock
She was prettily excited , and during the last few days she had shown an almost child-like confidence in her mother 's opinions about the trivial matters of packing . `` Mother , I do n't want to come down yet -- my hair is n't dry . Will you send supper up to me ? I 'll dress about nine o'clock when Bertie and the girls are coming . '' `` Of course I will , darling . I 'll go straight downstairs and fix your tray . Is there anything you can think of that you would like ? ''