four o'clock
Well , you must know that , outside the ruins of the keep , there is an old well which , like many other wells of the period , possesses the peculiarity of having two openings , one at the top , facing the sky , and the other a little lower down , hollowed out sideways in the wall and leading to one of the rooms of the keep . `` At Tancarville this second opening is nowadays closed with a grating . Here it was walled up with a layer of small stones and plaster . And it was just the recollection of Tancarville that made me stay , all the more as there was no hurry , since you had had the kindness to inform me that Florence would not join me in the next world until four o'clock . I therefore inspected my refuge and soon realized that , as I had already felt by intuition , it was the foundation of a building which was now demolished and which had the garden laid out on its ruins . `` Well , I went on , groping my way and following the direction which , above ground , would have taken me to the grotto . My presentiments were not deceived .