eight o'clock
`` Am I interrupting you ? '' The really dreadful collapsed expression on Molly 's face Stanton did not appear to notice at all . He merely walked over to the mantelpiece , and leaning his elbows on the little cleared space in front of the clock , stood staring fixedly at the time-piece which had not changed its quarter-of-three expression for forty years . `` It 's almost half-past seven , '' he announced pointedly , `` and I can stay till just eight o'clock . '' Only the little grandmother smiled . Almost immediately : `` It 's twenty minutes of eight now ! '' he announced severely .