Difference time between French Guiana and Costa Rica in hours, minutes, and seconds is [ +3 hours ] with gregorian date today is Wednesday 29th of July 2026 in French Guianese local time, Where the time now in French Guiana is 21:07 PM and the time now in Costa Rica is 18:07 PM in Costa Rican local time and the time comparison between French Guiana and Costa Rica in greenwich time ( GMT ) where French Guiana late for greenwich time ( GMT -03:00 ) while Costa Rica late for greenwich time ( GMT -06:00 ).