Difference time between Iceland and Sao Tome and Principe in hours, minutes, and seconds is [ ] with gregorian date today is Sunday 26th of October 2025 in Icelandic local time, Where the time now in Iceland is 05:54 AM and the time now in Sao Tome and Principe is 05:54 AM in Sao Tomean local time and the time comparison between Republic of Iceland and Sao Tome and Principe in greenwich time ( GMT ) where Iceland advanced about greenwich time ( GMT +00:00 ) while Sao Tome and Principe he has the same greenwich time ( GMT +00:00 ).