If that's fifteen past four, then the answer is four hours and fifteen minutes.
12 mins
12 hours and 35 mins is not a full day, it is only half a day and 35 mins
720
720
72 mins: 60 divided by 5 (1 fifth) is 12 mins, there's 60 mins in and hour, 60 + 12 = 72
12 2/3 hours
1 degree, 12 mins
12 mins depending on if there are no delays
12 hrs 33 mins
there are 6.307e+6 mins in 12 years
2 and 5/12 hours
20 hrs, 12 mins, 5 seconds