Difference time between Bulgaria and Sao Tome and Principe in hours, minutes, and seconds is [ +3 hours ] with gregorian date today is Thursday 11th of September 2025 in Bulgarian local time, Where the time now in Bulgaria is 23:15 PM and the time now in Sao Tome and Principe is 20:15 PM in Sao Tomean local time and the time comparison between Republic of Bulgaria and Sao Tome and Principe in greenwich time ( GMT ) where Bulgaria advanced about greenwich time ( GMT +03:00 ) while Sao Tome and Principe he has the same greenwich time ( GMT +00:00 ).