When you do a time-based calculation,
it is always important to remember that the starting time
and the ending time are both in 24-hour format.
The difference between two times can be calculated if you know the start and end times. For example, if it is 8pm on Tuesday and 8pm on Wednesday, then Wednesday will be 2 hours later than Tuesday. The formula for calculating this would be 8 - 7 = 1 hour. This means that Wednesday will come after Tuesday by an hour.