midnight
The thundering of his feet grew very audible now . `` The instant mamma comes back . She is staying a long time , is n't she ? Do you realize that we 've been here hours and hours , and that it looks like midnight outdoors ? '' `` Still , it would be a satisfaction to finish one conversation with you . We seem to remain all beginnings . '' `` What end is there to such conversations as this , Mr. Canning ? ''