twelve o'clock
The only thing that worries me is not being able to say good-bye to the missus . '' `` She 's fast asleep . She wo n't mind -- I 'll make that all right . '' `` Then , at twelve o'clock at London Bridge ! '' Sally rushed down to meet him , and she took him off for a walk in the garden . `` What a time it is since we have seen you . What have you been doing -- amusing yourself a great deal , I suppose ? ''