12am to 4pm is 16 hours.
6 hours from 4pm to 10pm
7am to 4pm is 9 hours.
4 pm to 4 am is 12 hours, because 1 day is 24 hours.
4pm to midnight is 8 hours.
10am to 4pm is a period of six hours.
7 hours
19 hours
Two hours
Hours are between 4pm and 9pm is 5 hours, 9 pm -4 pm
Usually 10am until 4pm.
7