Difference time between Vietnam and Sao Tome and Principe in hours, minutes, and seconds is [ +7 hours ] with gregorian date today is Tuesday 21st of April 2026 in Vietnamese local time, Where the time now in Vietnam is 19:37 PM and the time now in Sao Tome and Principe is 12:37 PM in Sao Tomean local time and the time comparison between Socialist Republic of Vietnam and Sao Tome and Principe in greenwich time ( GMT ) where Vietnam advanced about greenwich time ( GMT +07:00 ) while Sao Tome and Principe he has the same greenwich time ( GMT +00:00 ).