Difference time between French Guiana and Estonia in hours, minutes, and seconds is [ -5 hours ] with gregorian date today is Monday 8th of December 2025 in French Guianese local time, Where the time now in French Guiana is 15:06 PM and the time now in Estonia is 20:06 PM in Estonian local time and the time comparison between French Guiana and Estonia in greenwich time ( GMT ) where French Guiana late for greenwich time ( GMT -03:00 ) while Estonia advanced about greenwich time ( GMT +03:00 ).