let
  extraLocale = "ru_RU.UTF-8"; # Язык даты, времени, адресов и тд
in {
  time.timeZone = "Europe/Moscow";

  i18n = {
    defaultLocale = "en_US.UTF-8"; # Язык системы

    extraLocaleSettings = {
      LC_ADDRESS = extraLocale;
      LC_IDENTIFICATION = extraLocale;
      LC_MEASUREMENT = extraLocale;
      LC_MONETARY = extraLocale;
      LC_NAME = extraLocale;
      LC_NUMERIC = extraLocale;
      LC_PAPER = extraLocale;
      LC_TELEPHONE = extraLocale;
      LC_TIME = extraLocale;
    };
  };
}