nix/system/Locale.nix

{ config, ... }:
{
  time.timeZone = config.const.timeZone;
  i18n = {
    defaultLocale = "en_US.UTF-8";
    extraLocaleSettings = {
      LC_ADDRESS = "ru_RU.UTF-8";
      LC_IDENTIFICATION = "ru_RU.UTF-8";
      LC_MEASUREMENT = "ru_RU.UTF-8";
      LC_MONETARY = "ru_RU.UTF-8";
      LC_NAME = "ru_RU.UTF-8";
      LC_NUMERIC = "en_GB.UTF-8";
      LC_PAPER = "ru_RU.UTF-8";
      LC_TELEPHONE = "ru_RU.UTF-8";
      LC_TIME = "en_GB.UTF-8";
    };
  };
}