midnight
`` What 's in the wind ? '' murmured the bank manager . `` A sudden flitting ! '' He had been ordered to detail two of his best men to accompany Madame Louison to Calcutta , in a special car leaving at midnight . `` Telegraph to your head office in Calcutta of my arrival . Major Alan Hawke will represent me here , under written orders to be left with your Calcutta manager . Send this on in cipher . ''