Eleven hours
The time from 5:30 AM to 8:30 PM is 15 hours. You can calculate this by counting the hours from 5:30 AM to 5:30 PM, which is 12 hours, and then adding an additional 3 hours to reach 8:30 PM.
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.
From 5 PM to 9:30 PM, there are 4 hours and 30 minutes. This includes the full 4 hours from 5 PM to 9 PM, plus an additional 30 minutes to reach 9:30 PM.
fourteen and a half20:00 - 05:30 = 14:300:30 + 6:00 + 8:00 = 14:30
From 5:30 AM to 4:00 PM is a total of 10 hours and 30 minutes. This can be calculated by counting the hours from 5:30 AM to 4:00 PM. Specifically, that's 10 hours from 5:30 AM to 3:30 PM, plus an additional 30 minutes to reach 4:00 PM.
The time from 5:30 AM to 8:30 PM is 15 hours. You can calculate this by counting the hours from 5:30 AM to 5:30 PM, which is 12 hours, and then adding an additional 3 hours to reach 8:30 PM.
5 hours and 30 minutes.
From 5 PM to 9:30 PM, there are 4 hours and 30 minutes. This includes the full 4 hours from 5 PM to 9 PM, plus an additional 30 minutes to reach 9:30 PM.
To calculate the time from 8:30 AM to 5:50 PM, first find the difference in hours and minutes. From 8:30 AM to 5:30 PM is 9 hours, and then from 5:30 PM to 5:50 PM is an additional 20 minutes. Therefore, the total time from 8:30 AM to 5:50 PM is 9 hours and 20 minutes.
fourteen and a half20:00 - 05:30 = 14:300:30 + 6:00 + 8:00 = 14:30
The time 6 hours after 5:30 pm will be 11:30 pm.
From 5:30 AM to 4:00 PM is a total of 10 hours and 30 minutes. This can be calculated by counting the hours from 5:30 AM to 4:00 PM. Specifically, that's 10 hours from 5:30 AM to 3:30 PM, plus an additional 30 minutes to reach 4:00 PM.
From 5:30 PM to 8:30 AM the next day is a total of 15 hours. This includes the 6.5 hours from 5:30 PM to midnight, plus the 8 hours from midnight to 8:30 AM.
From 8:30 AM to 5:00 PM is a total of 8 hours and 30 minutes. This can be calculated by counting the hours from 8:30 AM to 5:00 PM, which is 8 hours, plus the additional 30 minutes.
Round 7:30 am up to 8 am. 8am = 0800 and 5 pm = 1700 so from 8 am to 5 pm, it is 9 hours. There are thirty minutes left from 7:30 am to 8 am so there are 9.5 hours from 7:30 am to 5 pm.
The duration between 3:30 pm and 9:15 pm is 5 hours and 45 minutes.
8 and 5/6 hours