Difference time between Guinea Bissau and Cayman Islands in hours, minutes, and seconds is [ +5 hours ] with gregorian date today is Thursday 20th of August 2026 in Guinea Bissauan local time, Where the time now in Guinea Bissau is 04:56 AM and the time now in Cayman Islands is 23:56 PM in Caymanian local time and the time comparison between Republic of Guinea-Bissau and Cayman Islands in greenwich time ( GMT ) where Guinea Bissau advanced about greenwich time ( GMT +00:00 ) while Cayman Islands late for greenwich time ( GMT -05:00 ).