Difference time between Guinea Bissau and Costa Rica in hours, minutes, and seconds is [ +6 hours ] with gregorian date today is Thursday 30th of July 2026 in Guinea Bissauan local time, Where the time now in Guinea Bissau is 07:14 AM and the time now in Costa Rica is 01:14 AM in Costa Rican local time and the time comparison between Republic of Guinea-Bissau and Costa Rica in greenwich time ( GMT ) where Guinea Bissau advanced about greenwich time ( GMT +00:00 ) while Costa Rica late for greenwich time ( GMT -06:00 ).