redondos@Serpent:~$ sudo dpkg-reconfigure -plow locales
Generating locales...
  en_US.UTF-8... up-to-date
  es_AR.UTF-8... up-to-date
Generation complete.
Current default timezone: 'America/Mendoza'.
Local time is now:      Mon Jul 10 17:00:09 ART 2006.
Universal Time is now:  Mon Jul 10 20:00:09 UTC 2006.
Run 'tzconfig' if you wish to change it.