Difference time between Guyana and Brunei Darussalam in hours, minutes, and seconds is [ -12 hours ] with gregorian date today is Wednesday 31st of December 2025 in Guyanese local time, Where the time now in Guyana is 23:24 PM and the time now in Brunei Darussalam is 11:24 AM in Bruneian local time and the time comparison between Co-operative Republic of Guyana and Brunei Darussalam in greenwich time ( GMT ) where Guyana late for greenwich time ( GMT -04:00 ) while Brunei Darussalam advanced about greenwich time ( GMT +08:00 ).