seven o'clock
`` Vell , den , say eight o'clock . '' Again O'Day shook his head slowly and thoughtfully as if some insurmountable obstacle had suddenly arisen before him . Then he said firmly : `` I am afraid I must decline your kind offer , Mr. Kling . The latest I could stay on any evening is seven o'clock -- some days I might have to leave at six -- certainly no later than half past . I suppose you have dinner at seven , Mrs. Cleary ? '' Kitty nodded . She was too interested in this new phase of the situation to speak .