1159
19 hours, 57 minutes
This is 4 hours, 19 minutes.
Two hours and 19 minutes.
679 minutes is 11 hours and 19 minutes.
439 minutes is 7 hours and 19 minutes.
3 hours 19 minutes
There are: 319/60 = 5 hours and 19 minutes
1140
6 hrs 19 minutes
19 minutes is equivalent to .31666667 hours
Subtracting 42 minutes from 15 hours 19 minutes gives 14 hours 37 minutes.