There are 2 hours between 1:30 PM and 3:30 PM. If you count from 1:30 PM to 2:30 PM, that's one hour, and then from 2:30 PM to 3:30 PM, that's another hour. So, the total is 2 hours.
830 930 1030 1130 1230 130 230 330 7 hours
330 hours = 13.75 days
There are 9 hours between 630 am and 930 am.
330/60
330 minutes is 5 hours and 30 minutes.
7 hours
5.5 hours.
9 hours.
3
8 hours.
0.09167 hour.
8 hours and 30 minutes.