It was 12:00, and Harry was still doing his homework.
"Screw this!" Harry said and threw the quill into the fire, pored the ink out onto the couch, and was about to throw the ink box thing out the window, thought better of it and kept it, because you never know when Draco's goth girls will come after you. Then he pulled out a pen and started writing, only to remember that today was Friday.
"DAMN IT!" Harry cursed, then said to Fechin, Why was I so stupid just now?
Just now? Aren't you stupid all the time? Fechin asked.
Upon hearing this, Harry angrily went to bed and was late to all his classes in the morning.
(When it is 12:00 at night then it is the start of a new day so he was late to Friday classes!)