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21 hours
There are 5 hours from 1 PM to 6 PM. You can determine this by counting the hours: 1 PM to 2 PM is 1 hour, 2 PM to 3 PM is another hour, and so on, until you reach 6 PM.
8:30 AM to 1:00 PM is four and a half hours.
There are 7 hours from 1 PM to 8 PM. To calculate this, you can simply count the hours: 1 PM to 2 PM is 1 hour, 2 PM to 3 PM is another hour, and so on, until you reach 8 PM.
From 1:30 PM to 10:00 PM is 8 hours and 30 minutes. To calculate, you can count the hours from 1:30 PM to 10:00 PM, which includes the full hours from 2 PM to 10 PM (8 hours) plus the additional 30 minutes from 1:30 PM to 2 PM.
21 hours
8:30 AM to 1 PM = 4.5 hours 8:30 PM to 1 PM = 16.5 hours
There are 16 hours from 9 PM to 1 PM the next day.
There are 16 hours from 9 PM to 1 PM the next day.
8:30 AM to 1:00 PM is four and a half hours.
Twenty hours.
4.5 hours
1:30pm to 11:00pm is 9.5 hours.
9 am to 12 pm: 3 hours 12 pm to 2:30 pm: 2 1/2 hours 3 + 2 1/2 = 5 1/2 hours. So there are 5 1/2 hours between 9 am and 2:30 pm.
18 hours, but if your an army guy then its 1678e9
4.5 hours between 1:30pm and 6:00pm
Assuming 9:30am to 1:30pm or pm to am, 4 hours, if am to am or pm to pm, it is 20 hours.