7 hours and 15 minutes !
six and a half 14:30 - 08:00 = 06:30
two and three quarters 10:45 - 08:00 = 02:45
yes
(2:44+24k) hours where k is an integer.
Chinese people usually eat at about 1100pm.
four hours 12:00 - 8:00 = 4:00 assuming 12:00 is mid-day and not midnight (then = 16 hours)
There are 110 minutes in 110 minutes.
There are 249 minutes in 249 minutes.
22 minutes are 22 minutes.
16 minutes
30 minutes