Difference time between St Martin and Guernsey in hours, minutes, and seconds is [ -4 hours ] with gregorian date today is Saturday 7th of February 2026 in St Martian local time, Where the time now in St Martin is 20:37 PM and the time now in Guernsey is 00:37 AM in Guernsian local time and the time comparison between Sint Maarten Dutch part and Guernsey in greenwich time ( GMT ) where St Martin late for greenwich time ( GMT -04:00 ) while Guernsey advanced about greenwich time ( GMT +01:00 ).