twelve
o'clock
`` Why so ? '' `` Because he 's so methodical , like all the Germans . He never could have slept if he had known the car was dirty . '' `` Why , Bob , '' Hugh protested , `` Heinrich says he did n't come in until twelve o'clock and he says the car was there then . Why did n't he notice that it was dirty then ? I 'd like to know . '' `` He probably did n't light but one light in the garage and did n't notice it . ''