How to create and include a strategy of calendar and time

How to create and include a strategy of calendar and time, considering holidays and working hours in an “OPTO22” system. ?

Please give me a help or a guide to develop a strategy, the idea is to be able to control devices, on and off, at different times and by date, according to my country’s annual calendar.

A couple options here, one included (4th on this list) in our “Greatest Hits” list called “Time of Day Scheduler Example”:

Also see more suggestions in this thread.

I hope that helps!
-OptoMary

Almost forgot this one from power-user Philip!:

Thank you, very much.

BR.