6 hours and 30 minutes.
12am to 4pm is 16 hours.
6 hours from 4pm to 10pm
7am to 4pm is 9 hours.
4pm to midnight is 8 hours.
10am to 4pm is a period of six hours.
Two hours
7 hours
19 hours
Hours are between 4pm and 9pm is 5 hours, 9 pm -4 pm
55,800 (930 x 60mins)
It's 7 hours 4pm = 1600 9 am = 0900 16 - 9 = 7
13