six o’clock
He desired nothing more . I did not insist , knowing by experience how useless that would have been . He told me that , with the help of the concierges , the chateau had since early dawn been watched in such a way that nobody could approach it without his knowing it , and that he had no concern for those who might have left it and remained without . It was then six o'clock by his watch . Rising , he made a sign to me to follow him , and , without in the least trying to conceal his movements or the sound of his footsteps , he led me through the gallery . We reached the ` right ' gallery and came to the landing-place which we crossed . We then continued our way in the gallery of the left wing , passing Professor Stangerson 's apartment .