Difference time between French Guiana and Iceland in hours, minutes, and seconds is [ -3 hours ] with gregorian date today is Friday 21st of August 2026 in French Guianese local time, Where the time now in French Guiana is 21:29 PM and the time now in Iceland is 00:29 AM in Icelandic local time and the time comparison between French Guiana and Iceland in greenwich time ( GMT ) where French Guiana late for greenwich time ( GMT -03:00 ) while Iceland he has the same greenwich time ( GMT +00:00 ).