{ pkgs, ... }: {

  time.timeZone = "Europe/Zurich";
  i18n.defaultLocale = "en_US.UTF-8";
  i18n.extraLocaleSettings = {
    LC_ADDRESS = "de_CH.UTF-8";
    LC_IDENTIFICATION = "de_CH.UTF-8";
    LC_MEASUREMENT = "de_CH.UTF-8";
    LC_MONETARY = "de_CH.UTF-8";
    LC_NAME = "de_CH.UTF-8";
    LC_NUMERIC = "de_CH.UTF-8";
    LC_PAPER = "de_CH.UTF-8";
    LC_TELEPHONE = "de_CH.UTF-8";
    LC_TIME = "de_CH.UTF-8";
  };
  i18n.supportedLocales = [
    "en_US.UTF-8/UTF-8"
    "de_CH.UTF-8/UTF-8"
  ];
  console.keyMap = "sg";
}