Difference time between Guinea and Antigua and Barbuda in hours, minutes, and seconds is [ +4 hours ] with gregorian date today is Saturday 20th of September 2025 in Guinean local time, Where the time now in Guinea is 10:37 AM and the time now in Antigua and Barbuda is 06:37 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 ).