Difference time between Guinea and Hong Kong in hours, minutes, and seconds is [ -8 hours ] with gregorian date today is Friday 31st of October 2025 in Guinean local time, Where the time now in Guinea is 13:18 PM and the time now in Hong Kong is 21:18 PM in Hongkongese local time and the time comparison between Republic of Guinea and Hong Kong in greenwich time ( GMT ) where Guinea advanced about greenwich time ( GMT +00:00 ) while Hong Kong advanced about greenwich time ( GMT +08:00 ).