about six o'clock
In the hall she met Gladys . `` Please , miss , '' said Gladys , `` is dinner to be kept back ? '' `` Why , '' said Joan , `` is n't mother in ? '' `` No , miss , she went out about six o'clock and she has n't come in . '' `` Is n't father in ? '' `` No , miss . '' `` Did she say that she 'd be late ? ''