{ pkgs, ... }: 
{
    # Set your time zone.
    time.timeZone = "Europe/Berlin";

    # Select internationalisation properties.
    i18n.defaultLocale = "en_US.UTF-8";

    i18n.extraLocaleSettings = {
        LC_ADDRESS = "de_DE.UTF-8";
        LC_IDENTIFICATION = "de_DE.UTF-8";
        LC_MEASUREMENT = "de_DE.UTF-8";
        LC_MONETARY = "de_DE.UTF-8";
        LC_NAME = "de_DE.UTF-8";
        LC_NUMERIC = "de_DE.UTF-8";
        LC_PAPER = "de_DE.UTF-8";
        LC_TELEPHONE = "de_DE.UTF-8";
        LC_TIME = "de_DE.UTF-8";
    };
}