Difference time between Argentina and Sao Tome and Principe in hours, minutes, and seconds is [ -3 hours ] with gregorian date today is Saturday 13th of September 2025 in Argentinian local time, Where the time now in Argentina is 21:39 PM and the time now in Sao Tome and Principe is 00:39 AM in Sao Tomean local time and the time comparison between Argentine Republic and Sao Tome and Principe in greenwich time ( GMT ) where Argentina late for greenwich time ( GMT -03:00 ) while Sao Tome and Principe he has the same greenwich time ( GMT +00:00 ).