Difference time between Japan and Guinea in hours, minutes, and seconds is [ +9 hours ] with gregorian date today is Monday 27th of October 2025 in Japanese local time, Where the time now in Japan is 05:05 AM and the time now in Guinea is 20:05 PM in Guinean local time and the time comparison between Japan and Guinea in greenwich time ( GMT ) where Japan advanced about greenwich time ( GMT +09:00 ) while Guinea he has the same greenwich time ( GMT +00:00 ).