five o'clock
And he turned carelessly to put down his hat on the window . `` Have you been waiting long ? '' Trudolyubov inquired . `` I arrived at five o'clock as you told me yesterday , '' I answered aloud , with an irritability that threatened an explosion . `` Did n't you let him know that we had changed the hour ? '' said Trudolyubov to Simonov . `` No , I did n't .