twenty-three o'clock
_ It would be hard ! '' exclaimed Maria Luisa . `` If there is enough sugar in him to sweeten a teaspoonful of coffee , write to me , '' she added ironically . `` Well -- I shall be at the church in an hour , but it will be time enough if you come at twenty-three o'clock -- between twenty-two and twenty-three . '' This means between one hour and two hours before sunset . `` The light is good then , for there is a big west window , '' added Gianbattista in explanation . `` We will come before that , '' said Lucia .