Difference time between French Guiana and Switzerland in hours, minutes, and seconds is [ -5 hours ] with gregorian date today is Friday 29th of May 2026 in French Guianese local time, Where the time now in French Guiana is 15:54 PM and the time now in Switzerland is 20:54 PM in Swiss local time and the time comparison between French Guiana and Switzerland in greenwich time ( GMT ) where French Guiana late for greenwich time ( GMT -03:00 ) while Switzerland advanced about greenwich time ( GMT +02:00 ).