Automatically adjust GNOME's in-build night light temperature from a schedule!

https://extensions.gnome.org/extension/4482/auto-night-light/

1. Open the GNOME extension manager
2. Turn on Auto Night Light
3. Click the gear icon to open up the night light schedule preferences
4. Click the + icon to add a schedule
5. Configure your schedule and hit save
6. To remove a schedule, select a schedule and click the - icon
7. To edit a schedule, select a schedule and click the edit icon

NOTE: Make sure you have GNOME's night light enabled! And set to custom schedule midnight-midnight (so that night light is always active)

journalctl -f -o cat | grep "Auto Night Light"