From 5:30 AM to 4:00 PM is a total of 10 hours and 30 minutes. This can be calculated by counting the hours from 5:30 AM to 4:00 PM. Specifically, that's 10 hours from 5:30 AM to 3:30 PM, plus an additional 30 minutes to reach 4:00 PM.
7.5 + 24k where k is any integer.
NO
If they're both on the same date, then they mark a period of 21/2 hours.
ten and a half 17:30 - 07:00 = 10:30
The time from 7:30 to 5:30 is 10 hours. This is calculated by counting the hours from 7:30 AM to 5:30 PM.
3 hours and 15 min
7.75 hours
This is equivalent to 16 hours.
This is equivalent to 16 hours.
Ten hours.
8 hours and 30 minutes.
10 and a half hours
9 hours, 45 minutes
(11+24k) hours where k is an integer.
(8.5+24k) hours where k is an integer.
6 and 1/2
9 hours