nixvimConfig/modules/nixOS/features/defaultLocale.nix

{
  pkgs,
  lib,
  config,
  ...
}: {
  config = {
    time.timeZone = lib.mkDefault "Europe/Berlin";

    i18n.defaultLocale = lib.mkDefault "en_US.UTF-8";

    i18n.extraLocaleSettings = lib.mkDefault {
      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";
    };
  };
}