Difference time between Guyana and Guernsey in hours, minutes, and seconds is [ -5 hours ] with gregorian date today is Friday 19th of September 2025 in Guyanese local time, Where the time now in Guyana is 00:29 AM and the time now in Guernsey is 05:29 AM in Guernsian local time and the time comparison between Co-operative Republic of Guyana and Guernsey in greenwich time ( GMT ) where Guyana late for greenwich time ( GMT -04:00 ) while Guernsey advanced about greenwich time ( GMT +01:00 ).