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# How to change a Firefox theme by time
- URL: https://en.blog.themarfa.name/how-to-change-a-firefox-theme-by-time/
- Published: 2020-03-24T12:49:57.000Z
- Updated: 2020-03-24T12:49:57.000Z
- Description: If you want to auto change light and dark skin of Firefox on a schedule, there is a simple solution for this.
- Author: Konstantin Dokuchaev
- Tags: Firefox, automaticDark

If you want to auto change light and dark skin of Firefox on a schedule, there is a simple solution for this.

This is auto translated version of [this post](https://blog.themarfa.name/kak-izmieniat-tiemu-firefox-po-raspisaniiu/)

**automaticDark** will help to switch the dark theme of the browser automatically by time.

After installing the extension, you can specify how much to apply a dark or light theme. And you can also specify the automatic change of topic relative to the time of sunset and sunrise.

![](https://blog.themarfa.name/content/images/2020/03/automaticDark.png)

[Install automaticDark](https://addons.mozilla.org/firefox/addon/automatic-dark/)