I’m guessing that you did not find what you need because you call this a timer, but in fact it is called a scheduler. So if you look for schedulers that work with Home Assistent, you’ll likely find more suitable candidates, such as:
For lights based on sun, there are also dedicated integrations such as:
Or for covers:
But there’s so much more. Because possibilities are endless, there’s no one stop shop that covers all (pun intended).