Lights coming on at sunset when not home

I’m tired right now and I don’t use the app much anyway because it’s not fully voice navigable, so I’m going to turn this over to other people. They’ll be able to show you how to set the modes.

If you’d like some examples of how other people use them, see the following. Ignore the details of set up, those are from the old app, but the use cases are still applicable:

FAQ Routine, routines: How do you use them? (SmartThings Classic)