Difference time between Guyana and St Martin in hours, minutes, and seconds is [ ] with gregorian date today is Friday 19th of September 2025 in Guyanese local time, Where the time now in Guyana is 00:27 AM and the time now in St Martin is 00:27 AM in St Martian local time and the time comparison between Co-operative Republic of Guyana and St Martin in greenwich time ( GMT ) where Guyana late for greenwich time ( GMT -04:00 ) while St Martin late for greenwich time ( GMT -04:00 ).