Difference time between French Guiana and Singapore in hours, minutes, and seconds is [ -11 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 Singapore is 02:54 AM in Singaporean local time and the time comparison between French Guiana and Singapore in greenwich time ( GMT ) where French Guiana late for greenwich time ( GMT -03:00 ) while Singapore advanced about greenwich time ( GMT +08:00 ).