530 PM is equivalent to 5:30 PM. To calculate the number of hours between 5:30 PM and 10:00 PM, you subtract 5:30 PM from 10:00 PM. This results in 4 hours and 30 minutes. Therefore, there are 4.5 hours between 5:30 PM and 10:00 PM.
10 and a half hours
The parameters you cite contain eight hours and 30 minutes.
530 minutes is 8 hours, 50 minutes.
1460
7.75 hours
This is equivalent to 16 hours.
9
1360
There are 11 hours between 6 am and 5:30 pm.
Ten hours.
This is equivalent to 16 hours.
4.5