Difference time between United kingdom and St Martin in hours, minutes, and seconds is [ +5 hours ] with gregorian date today is Friday 21st of August 2026 in British local time, Where the time now in United kingdom is 00:46 AM and the time now in St Martin is 19:46 PM in St Martian local time and the time comparison between United Kingdom of Great Britain & Northern Ireland and St Martin in greenwich time ( GMT ) where United kingdom advanced about greenwich time ( GMT +01:00 ) while St Martin late for greenwich time ( GMT -04:00 ).