8:30pm to midnight is 3h30m
Midnight to 6:30am is 6h30m
Then 3:30 + 6:30 = 10:00
Answer: 10 hours
or 8:30 to 8:30 = 12 hours
Then minus 2 hours to 6:30 = 10 hours
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10.5
how many hours is 6:30pm to 6:30am
eight and a half 6:30 to 12:00 = 5:30 12:00 to 3:00 = 3:00 5:30 + 3:00 = 8:30 hours eight hours thirty minutes