{pkgs, ...}: {
  # 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 = "en_US.UTF-8";
    LC_PAPER = "de_DE.UTF-8";
    LC_TELEPHONE = "de_DE.UTF-8";
    LC_TIME = "en_GB.UTF-8"; # english weekdays, but 24h format
  };

  # Keymap
  services.xserver.xkb = {
    layout = "de";
    variant = "";
  };

  console.keyMap = "de";

  time.timeZone = "Europe/Berlin";

  ## Japanese input, env vars and servic start are configured in hyprland config
  ## Configure via program fcitx5-configuration
  ## There, add the mozc input for japanese
  ## This could also be done declaratively in this config, see: https://wiki.nixos.org/wiki/Fcitx5
  i18n.inputMethod = {
    enable = true;
    type = "fcitx5";
    fcitx5.addons = with pkgs; [
      fcitx5-mozc
      fcitx5-gtk # Ensures IME works in GTK applications
    ];
    fcitx5.waylandFrontend = true; # compability with wayland
  };
}