Răspuns :

12h 20 min 10 sec = 12 x 3600 + 20 x 60 + 10 sec = 44.410 sec

10h 45 min 15 sec = 10 x 3600 + 45 x 60 + 15 sec = 38.715 sec

44.410 sec - 38.715 sec = 5695 sec