ten o'clock
at night
`` That is the one definite thing I do know -- that it is n't ! '' he said positively . `` It is nothing of that kind . It was half-past ten o'clock at night when I met him , and he said that he had intended going back for the package if it had been safe to do so . Deposit vaults are not open at that hour . The package is , or was , if they have not already got it , readily accessible -- and at any hour . Now go over everything again , every detail that passed between you and Travers .