Difference time between French Guiana and Tanzania in hours, minutes, and seconds is [ -6 hours ] with gregorian date today is Thursday 1st of January 2026 in French Guianese local time, Where the time now in French Guiana is 02:37 AM and the time now in Tanzania is 08:37 AM in Tanzanian local time and the time comparison between French Guiana and Tanzania in greenwich time ( GMT ) where French Guiana late for greenwich time ( GMT -03:00 ) while Tanzania advanced about greenwich time ( GMT +03:00 ).