There are (7.5 + 24k) hours where k is an integer.
The time from 9:30 AM to 5 PM is 7.5 hours. This is calculated by counting the hours from 9:30 AM to 5 PM, which includes 7 hours from 9:30 AM to 4:30 PM and an additional half hour to reach 5 PM.
The time from 9:30 AM to 6:00 PM is 8 hours and 30 minutes. To break it down, from 9:30 AM to 5:30 PM is 8 hours, and then adding the additional 30 minutes brings the total to 8 hours and 30 minutes.
930
Six hours in total !
48
The time from 9:30 AM to 5 PM is 7.5 hours. This is calculated by counting the hours from 9:30 AM to 5 PM, which includes 7 hours from 9:30 AM to 4:30 PM and an additional half hour to reach 5 PM.
The time from 9:30 AM to 6:00 PM is 8 hours and 30 minutes. To break it down, from 9:30 AM to 5:30 PM is 8 hours, and then adding the additional 30 minutes brings the total to 8 hours and 30 minutes.
930
Six hours in total !
48
There are 5 hours between 4 pm and 9 pm
There are 2+12k hours where k is an integer.
5 hours and 30 minutes.
12 hours
From 9 AM to 5:30 PM is a total of 8.5 hours. This includes 8 hours from 9 AM to 5 PM, plus an additional 30 minutes from 5 PM to 5:30 PM.
The time from 5 AM to 9 PM is 16 hours. To calculate this, you count the hours from 5 AM to 12 PM (7 hours) and then from 12 PM to 9 PM (9 hours), which totals 16 hours.
The duration between 3:30 pm and 9:15 pm is 5 hours and 45 minutes.