Difference time between Ireland and Sao Tome and Principe in hours, minutes, and seconds is [ ] with gregorian date today is Saturday 21st of March 2026 in Irish local time, Where the time now in Ireland is 00:27 AM and the time now in Sao Tome and Principe is 00:27 AM in Sao Tomean local time and the time comparison between Ireland and Sao Tome and Principe in greenwich time ( GMT ) where Ireland advanced about greenwich time ( GMT +01:00 ) while Sao Tome and Principe he has the same greenwich time ( GMT +00:00 ).