Difference time between United kingdom and Japan in hours, minutes, and seconds is [ -8 hours ] with gregorian date today is Friday 11th of September 2026 in British local time, Where the time now in United kingdom is 06:45 AM and the time now in Japan is 14:45 PM in Japanese local time and the time comparison between United Kingdom of Great Britain & Northern Ireland and Japan in greenwich time ( GMT ) where United kingdom advanced about greenwich time ( GMT +01:00 ) while Japan advanced about greenwich time ( GMT +09:00 ).