six o’clock
`` Half-past three . '' `` Do you think that death could have occurred at this moment ? '' the commissioner asked , turning to Saniel . `` No ; I think it must have been between five and six o'clock . '' `` It is wrong for the commissioner to suspect Monsieur Florentin , '' cried the concierge . `` He is a good young man , incapable of harming a fly . And then , there is a good reason why death could not have taken place between three o'clock and half-past ; it is that Monsieur Caffie 's lamp was lighted , and you know the poor gentleman was not a man to light his lamp in broad daylight , looking as he was -- '' She stopped abruptly , striking her forehead with her hand .