Difference time between French Guiana and Mauritius in hours, minutes, and seconds is [ -7 hours ] with gregorian date today is Wednesday 29th of July 2026 in French Guianese local time, Where the time now in French Guiana is 21:05 PM and the time now in Mauritius is 04:05 AM in Mauritian local time and the time comparison between French Guiana and Mauritius in greenwich time ( GMT ) where French Guiana late for greenwich time ( GMT -03:00 ) while Mauritius advanced about greenwich time ( GMT +04:00 ).