{...}: { services.xserver = { layout = "gb"; xkbVariant = ""; }; console.keyMap = "uk"; # Set your time zone. time.timeZone = "Europe/London"; # Select internationalisation properties. i18n.defaultLocale = "en_GB.UTF-8"; i18n.extraLocaleSettings = { LC_ADDRESS = "en_GB.UTF-8"; LC_IDENTIFICATION = "en_GB.UTF-8"; LC_MEASUREMENT = "en_GB.UTF-8"; LC_MONETARY = "en_GB.UTF-8"; LC_NAME = "en_GB.UTF-8"; LC_NUMERIC = "en_GB.UTF-8"; LC_PAPER = "en_GB.UTF-8"; LC_TELEPHONE = "en_GB.UTF-8"; LC_TIME = "en_GB.UTF-8"; }; }