Difference time between Guyana and Iceland in hours, minutes, and seconds is [ -4 hours ] with gregorian date today is Friday 21st of August 2026 in Guyanese local time, Where the time now in Guyana is 10:09 AM and the time now in Iceland is 14:09 PM in Icelandic local time and the time comparison between Co-operative Republic of Guyana and Iceland in greenwich time ( GMT ) where Guyana late for greenwich time ( GMT -04:00 ) while Iceland he has the same greenwich time ( GMT +00:00 ).