7 and 1/2 hours
Wiki User
β 6y agoWiki User
β 11y ago7.5
8 hours.
12am to 4pm is 16 hours.
Nine and a half hours.
840
Nine hours.
4.5 hours
6 hours from 4pm to 10pm
ten and a half
7am to 4pm is 9 hours.
8:30am to noon is 3.5 hours.
It is (8.5 + 24k) hours where k is an integer.
4pm to midnight is 8 hours.