0
Anonymous
4:30
8:30 to 9:00 is 0:30
9:00 to 12:00 is 3:00
12:00 to 1:00 is 1:00
Then 0:30 + 3:00 + 1:00 = 4:30
Four hours thirty minutes.
Unless it is 12 hours later
e.g. 8:30am to 1:00am the next day, so = 16:30 hours
Wiki User
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8:30 AM to 1:00 PM is four and a half hours.
10 and 1/2
7
8.5 hours
Three hours