20.5 hours.
3.416666 repeating hours 3 hours, 25 minutes
14 hours, and 30 minutes
It is 4 hours and 15 minutes.
6 hours and 30 minutes
8 hours.
From 9:55 to 12:30 is 2 hours and 35 minutes.
Four
It is 4 hours.
1960
8:00am is eight hours, 8:00pm is twenty hours (20:00). 12:00am is zero hours (00:00), 12:00pm is twelve hours. 12:30am is thirty minutes (00:30), 12:30pm is twelve hours and thirty minutes. 4:30am is four hours and thirty minutes, 4:30pm is sixteen hours and thirty minutes (16:30).
1230