Answer :
Time elapsed = Final time - initial time
= 15:24:55 - 12:11: 30
= 3:13: 25
or, 3 hours, 13 minutes and 25 seconds has been elapsed.
= 15:24:55 - 12:11: 30
= 3:13: 25
or, 3 hours, 13 minutes and 25 seconds has been elapsed.