Difference time between Guinea and St Martin in hours, minutes, and seconds is [ +4 hours ] with gregorian date today is Friday 31st of October 2025 in Guinean local time, Where the time now in Guinea is 13:18 PM and the time now in St Martin is 09:18 AM in St Martian local time and the time comparison between Republic of Guinea and St Martin in greenwich time ( GMT ) where Guinea advanced about greenwich time ( GMT +00:00 ) while St Martin late for greenwich time ( GMT -04:00 ).