Add a scheduled blocker for particular websites

[RamSet]

This issue was already approached in a different post:

Block internet access at certain times

Kids spending too much time on the internet? Would be nice to be able to add their device MAC addresses to a group that blocks Internet access (maybe routes all traffic to localhost address) between the hours of 20:00 and 08:00 or whatever you set it too.

There is reasoning within that topic on what's what and how's how

I believe the last reply has a solution you might want to look into.