Difference time between French Guiana and Thailand in hours, minutes, and seconds is [ -10 hours ] with gregorian date today is Saturday 9th of May 2026 in French Guianese local time, Where the time now in French Guiana is 07:38 AM and the time now in Thailand is 17:38 PM in Thai local time and the time comparison between French Guiana and Thailand in greenwich time ( GMT ) where French Guiana late for greenwich time ( GMT -03:00 ) while Thailand advanced about greenwich time ( GMT +07:00 ).