4
17 hours
Almost all. They sing most between 6AM and 10AM
6, 7, 8, 9 Therefore, there are 3 hours between 6am and 9am.
9 hours 30 minutes
5
ten8pm to midnight = 4 hoursmidnight to 6am = 6 hours4 + 6 = 10
On the same day 12 hours
From 6am to 5pm is 11 hours.
6am to 5pm is 11 hours.
6am to 6pm is 12 hours. 6pm to 8pm is 2 hours. 12+2=14 6am to 8pm is 14 hours
There are 60 hours in this time period.