8.30 am
8 and 30 mins (am) + 6 = 14 and 30 mins on the 24 hour clock or 2 and 30 mins (pm) on the 12 hour clock.
6 hours.
6 and 1/2
2:55 pm
12:30.
6
There are 10 + 24n hours where n is an integer
There are 14 hours between 6 am and 8 pm.
2 hours.
6 hours.
From 6:00 am to 3:00 pm is 9 hours.
Two hours.
It is 6 pm on the next Thursday.