nine o'clock
Fleda first went into the kitchen to tell Barby to fasten the doors and not sit up . `` I do n't believe uncle Rolf will be home to-night ; but if he comes I will let him in . '' Barby looked at her with absolutely a face of distress ; but not daring to ask and not knowing how to propose anything , she looked in silence . `` It must be nine o'clock now , '' Fleda went on . `` And how long be you going to sit up ? '' said Barby . `` I do n't know -- a while yet . ''