In between 8 in the morning until 6 at night, there is a roughly a set of 10 hours in between them. Depending on whether it's daylight savings time or not, it can usually get darker outside at 6 at night.
2
10 hours
mon-sat 8am-8pm and sundays-8am-6pm
It is 24 hours.8am to 8pm = 12 hours.8pm to 8am = 12 hours.2 x 12 = 24.
24 hours
48 hours.
15
On the same morning there are 3 hours from 8am to 11am
It's 120 hours between 6pm Thursday until the following Tuesday at 6pm
14 hours
Eight hours !
9 hours.