Difference time between Antigua and Barbuda and Sao Tome and Principe in hours, minutes, and seconds is [ -4 hours ] with gregorian date today is Tuesday 30th of June 2026 in Antiguan local time, Where the time now in Antigua and Barbuda is 17:19 PM and the time now in Sao Tome and Principe is 21:19 PM in Sao Tomean local time and the time comparison between Antigua and Barbuda and Sao Tome and Principe in greenwich time ( GMT ) where Antigua and Barbuda late for greenwich time ( GMT -04:00 ) while Sao Tome and Principe he has the same greenwich time ( GMT +00:00 ).