Check the specific Cityflyer thread in the routes section for more info. Trips could be any combination to be honest. A single day with two sectors or a 6 day on trip. Anything is possible. They do try not to roster single days off, unless you go above the minimum of 9 days off a month. If you are thinking of commuting, you are a brave man/woman. We've got folk who do it and it's a pain. Both financially and socially.