Difference time between Guinea and Guyana in hours, minutes, and seconds is [ +4 hours ] with gregorian date today is Friday 9th of January 2026 in Guinean local time, Where the time now in Guinea is 00:15 AM and the time now in Guyana is 20:15 PM in Guyanese local time and the time comparison between Republic of Guinea and Guyana in greenwich time ( GMT ) where Guinea advanced about greenwich time ( GMT +00:00 ) while Guyana late for greenwich time ( GMT -04:00 ).