10 and 1/2 hours
From 6:30 AM to 7:30 PM is a total of 13 hours. This is calculated by finding the difference between the two times, which includes the full hours from 6:30 AM to 6:30 PM (12 hours) plus an additional hour from 6:30 PM to 7:30 PM.
From 7:30 to 6:30, there are 11 hours. If you count from 7:30 AM to 6:30 PM, it is a span of 11 hours.
10 hours and 15 minutes.
10.5 + 24*k hours where k is any integer.
From 7 AM to 7:30 PM is a total of 12 hours and 30 minutes. This can be broken down to 12 hours from 7 AM to 7 PM, plus an additional 30 minutes.
6
730 pm in military time is 1930.
10.5 + 24k hours where k is any integer.
Ten Hours
From 6:30 AM to 7:30 PM is a total of 13 hours. This is calculated by finding the difference between the two times, which includes the full hours from 6:30 AM to 6:30 PM (12 hours) plus an additional hour from 6:30 PM to 7:30 PM.
7
4:30 PM
From 7:30 to 6:30, there are 11 hours. If you count from 7:30 AM to 6:30 PM, it is a span of 11 hours.
8 hours.
Ten hours.
12 hours 30 minutes.
10 hours and 15 minutes.