twelve o'clock
The servant my friend Jim White lends me with the rooms does n't stay at night . He lights the fire and puts everything shipshape , and then leaves me in peace till morning . But Jim himself , who is doing interpreter 's work in France , has run back for the day on business . He is with some War Office chaps for the evening , but any time after twelve o'clock I expect him back to stay the night . You must be gone before then , so you see we have twenty minutes at most . '' `` Rome was saved in _ one _ minute , I 've always heard , '' I said . `` Eagle , this coat was Sidney Vandyke 's .