3 pm
1600 hours
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.
6 hours ahead
Hours are between 4pm and 9pm is 5 hours, 9 pm -4 pm
It's 7 hours 4pm = 1600 9 am = 0900 16 - 9 = 7
4pm (1600 hours)
19 hours
Two hours