six
o'clock
She thought it odd that he should be jealous without having the right to be jealous ; but this did not displease her . When they reached the Corso , they saw Miss Bell and Madame Marmet coming out of the dressmaker 's shop . Dechartre said to Therese , in an imperious and supplicating voice : `` I must speak to you . I must see you alone tomorrow ; meet me at six o'clock at the Lungarno Acciaoli . '' She made no reply . When , in her Carmelite mantle , she came to the Lungarno Acciaoli , at about half-past six , Dechartre greeted her with a humble look that moved her . The setting sun made the Arno purple .