midnight
I 've got the whole code . It 's based upon the leading articles in the Times of certain dates . Here 's this last message -- ` Leave London June 4th . Have flares midnight Buckingham Palace , St. Paul 's steps , gardens in front of Savoy . Your last report received . ''' ``` Leave London June 4th , ''' Thomson repeated , glancing at his calendar , -- `` to-day ! ` Have flares , ' -- Zeppelins , Ambrose ! ''