Difference time between Canada and Sao Tome and Principe in hours, minutes, and seconds is [ -4 hours ] with gregorian date today is Wednesday 19th of August 2026 in Canadian local time, Where the time now in Canada is 20:38 PM and the time now in Sao Tome and Principe is 00:38 AM in Sao Tomean local time and the time comparison between Canada and Sao Tome and Principe in greenwich time ( GMT ) where Canada late for greenwich time ( GMT -04:00 ) while Sao Tome and Principe he has the same greenwich time ( GMT +00:00 ).