9am, 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm, 5pm. 8 hours.
12am to 4pm is 16 hours.
6 hours from 4pm to 10pm
7am to 4pm is 9 hours.
3pm to 10pm is 7 hours.
4pm to midnight is 8 hours.
13
3PM
10am to 4pm is a period of six hours.
3 hours between 12pm and 3pm
24 of course !
The Control Zone is open Sundays from 11am till 3pm wth summer hours and xmas hours extended to 10am till 4pm.