From 8:45 AM to 3:30 PM is a duration of 6 hours and 45 minutes. To break it down, there are 6 hours from 8:45 AM to 2:45 PM, plus an additional 45 minutes to reach 3:30 PM.
1175
18½ hours
6 hours
8 hours, 45mins
18½ hours
It is 4 hours.
9 hours and 30 minutes.
5 and a half
7
8:45 AM - 5:45 PM 9 hours have passed.
Eight and one half hours.
1230