Here is the chronicle. Our software build out for next year we will make adjusting flex daily schedules easier.
For now, there is a little bit of learning curve if the out of box settings aren’t working. My biggest recommendation is to start with one zone, then when comfortable roll out to others.
Here is a condensed view of the support articles for flex daily scheduling.
http://community.rachio.com/t/flex-schedule-guidelines-and-documentation/3799
We have a great community that usually will answer most scheduling questions if you are having any issues.