Self-plug for something I wrote some time ago - you can use redshift-scheduler ( https://github.com/spantaleev/redshift-scheduler/ https://github.com/spantaleev

Self-plug for something I wrote some time ago - you can use redshift-scheduler ( https://github.com/spantaleev/redshift-scheduler/ https://github.com/spantaleev/redshift-scheduler/ ) to set up a custom schedule (ultimately using redshift to set the screen temperature).