The latest articles on DEV Community by Irvirty (@irvirty). https://dev.to/irvirty https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3009270%2Ff1567dce-7325-4dbc-b6ee-b61b03866fd9.png https://dev.to/irvirty en Irvirty Thu, 16 Oct 2025 05:15:18 +0000 https://dev.to/irvirty/automatically-change-the-theme-in-ubuntu-based-on-the-time-of-day-3023 https://dev.to/irvirty/automatically-change-the-theme-in-ubuntu-based-on-the-time-of-day-3023 <p>Steps:</p> <h2> Download the Gnome extension: </h2> <p>Night Theme Switcher - <a href="https://nightthemeswitcher.romainvigier.fr/" rel="noopener noreferrer">https://nightthemeswitcher.romainvigier.fr/</a> or <a href="https://extensions.gnome.org/extension/2236/night-theme-switcher/" rel="noopener noreferrer">https://extensions.gnome.org/extension/2236/night-theme-switcher/</a></p> <h2> Create 2 bash scripts: </h2> <p><strong>day.sh</strong> with this code to change the theme:<br> <code>gsettings set org.gnome.desktop.interface gtk-theme 'Adwaita-lgiht';<br> gsettings set org.gnome.desktop.interface color-scheme 'prefer-light';</code> </p> <p><strong>night.sh</strong>:<br> <code>gsettings set org.gnome.desktop.interface gtk-theme 'Adwaita-dark';<br> gsettings set org.gnome.desktop.interface color-scheme 'prefer-dark'</code> </p> <h2> In the extension settings "Commands" insert these scripts to execute: </h2> <p>For sunrise: <code>bash /path/day.sh</code><br> For sunset: <code>bash /path/night.sh</code></p> <h2> Done. </h2> darkmode ubuntu gnome lightmode