Difference time between United States of America and Guyana in hours, minutes, and seconds is [ ] with gregorian date today is Saturday 13th of September 2025 in American local time, Where the time now in United States of America is 15:18 PM and the time now in Guyana is 15:18 PM in Guyanese local time and the time comparison between United States of America and Guyana in greenwich time ( GMT ) where United States of America late for greenwich time ( GMT -04:00 ) while Guyana late for greenwich time ( GMT -04:00 ).