Difference time between Guinea and Antigua and Barbuda in hours, minutes, and seconds is [ +4 hours ] with gregorian date today is Friday 21st of August 2026 in Guinean local time, Where the time now in Guinea is 09:16 AM and the time now in Antigua and Barbuda is 05:16 AM in Antiguan local time and the time comparison between Republic of Guinea and Antigua and Barbuda in greenwich time ( GMT ) where Guinea advanced about greenwich time ( GMT +00:00 ) while Antigua and Barbuda late for greenwich time ( GMT -04:00 ).