Difference time between French Guiana and Ireland in hours, minutes, and seconds is [ -4 hours ] with gregorian date today is Friday 21st of August 2026 in French Guianese local time, Where the time now in French Guiana is 01:47 AM and the time now in Ireland is 05:47 AM in Irish local time and the time comparison between French Guiana and Ireland in greenwich time ( GMT ) where French Guiana late for greenwich time ( GMT -03:00 ) while Ireland advanced about greenwich time ( GMT +01:00 ).