Difference time between United kingdom and Slovenia in hours, minutes, and seconds is [ -1 hours ] with gregorian date today is Thursday 11th of September 2025 in British local time, Where the time now in United kingdom is 20:38 PM and the time now in Slovenia is 21:38 PM in Slovenian local time and the time comparison between United Kingdom of Great Britain & Northern Ireland and Slovenia in greenwich time ( GMT ) where United kingdom advanced about greenwich time ( GMT +01:00 ) while Slovenia advanced about greenwich time ( GMT +02:00 ).