Difference time between Guyana and Sudan in hours, minutes, and seconds is [ -6 hours ] with gregorian date today is Wednesday 30th of September 2026 in Guyanese local time, Where the time now in Guyana is 02:05 AM and the time now in Sudan is 08:05 AM in Sudanese local time and the time comparison between Co-operative Republic of Guyana and Sudan in greenwich time ( GMT ) where Guyana late for greenwich time ( GMT -04:00 ) while Sudan advanced about greenwich time ( GMT +03:00 ).