eighteen o'clock
`` How shall you go ? '' she asked . `` Volor . I shall catch the eighteen o'clock at Blackfriars ; the meeting is at nineteen , and I shall be back at twenty-one . '' He addressed himself vigorously to his _ entree _ , and his mother looked up with a patient , old-woman smile . Mabel began to drum her fingers softly on the damask . `` Please make haste , my dear , '' she said ; `` I have to be at Brighton at three . ''