From 1:30 PM to 10:00 PM is 8 hours and 30 minutes. To calculate, you can count the hours from 1:30 PM to 10:00 PM, which includes the full hours from 2 PM to 10 PM (8 hours) plus the additional 30 minutes from 1:30 PM to 2 PM.
eight and a half 22:00 - 13:30 = 08:30
136
137
eight and a half
6 hours from 4pm to 10pm
3pm to 10pm is 7 hours.
Four and a half hours.
14 hours
14 hours
i think 3 hours
840
12 hours