From 8am to 1pm is 5 hours. From 8am to 1am is 17 hours. From 8pm to 1am is 5 hours. From 8pm to 1pm is 17 hours.
9 and 1/4
1am to 8am is 7 hours.1am to 8pm is 19 hours.1pm to 8pm is 7 hours.1pm to 8am is 19 hours.
About 5 hours between 8 a.m. to 1 p.m.
8am to 5pm is 9 hours, deduct 1 hour for lunch = 8 hours. If they're both in the same day, then 8am to 5pm is a span of 9 hours, regardless of how you choose to use them.
There are 8*(1 + 3k) hours where k is an integer.
1:30pm to 11:00pm is 9.5 hours.
4.5 hours between 1:30pm and 6:00pm
9:30am to 1:35pm is 4 hours and 5 minutes. 9:30am to 1:35am is 16 hours and 5 minutes. 9:30pm to 1:35pm is 16 hours and 5 minutes. 9:30pm to 1:35am is 4 hours and 5 minutes.
From 6:15am to 1:30pm is 7 hours and 15 minutes.
7 pm to 7 am is 12 hours 7 am to 8 am is 1 hours → 7 pm to 8 am is 12 + 1 = 13 hours.
8 am to 4 pm is equivalent to 8 hours.