config/systems/mdesktop/locale.nix

{ config, pkgs, ... }:

{
  # Time zone
  time.timeZone = "Europe/London";

  # Internationalisation properties
  i18n.defaultLocale = "en_GB.UTF-8";
  console = {
    font = "${pkgs.terminus_font}/share/consolefonts/ter-v12n.psf.gz";
    keyMap = "uk";
  };
}