Difference time between Guyana and Hong Kong in hours, minutes, and seconds is [ -12 hours ] with gregorian date today is Thursday 10th of September 2026 in Guyanese local time, Where the time now in Guyana is 12:21 PM and the time now in Hong Kong is 00:21 AM in Hongkongese local time and the time comparison between Co-operative Republic of Guyana and Hong Kong in greenwich time ( GMT ) where Guyana late for greenwich time ( GMT -04:00 ) while Hong Kong advanced about greenwich time ( GMT +08:00 ).