Schedule of themes

[warmiak38]

You may try these tools, they can change the OS theme to dark mode at specified time:
http://static.centbrowser.com/software/easydark.exe
https://github.com/Armin2208/Windows-Aut...e/releases

And the browser will follow the OS settings automatically.

Unfortunately, I have an outdated operating system and these programs do not support it, maybe suggest an extension that would have the functions I wrote about.