Difference time between Guyana and Antigua and Barbuda in hours, minutes, and seconds is [ ] with gregorian date today is Tuesday 9th of June 2026 in Guyanese local time, Where the time now in Guyana is 21:36 PM and the time now in Antigua and Barbuda is 21:36 PM in Antiguan local time and the time comparison between Co-operative Republic of Guyana and Antigua and Barbuda in greenwich time ( GMT ) where Guyana late for greenwich time ( GMT -04:00 ) while Antigua and Barbuda late for greenwich time ( GMT -04:00 ).