Difference time between United kingdom and Iran in hours, minutes, and seconds is [ -3 hours -30 minutes ] with gregorian date today is Tuesday 16th of December 2025 in British local time, Where the time now in United kingdom is 20:49 PM and the time now in Iran is 00:19 AM in Iranian local time and the time comparison between United Kingdom of Great Britain & Northern Ireland and Iran in greenwich time ( GMT ) where United kingdom advanced about greenwich time ( GMT +01:00 ) while Iran advanced about greenwich time ( GMT +04:30 ).