Difference time between Guinea Bissau and Iceland in hours, minutes, and seconds is [ ] with gregorian date today is Thursday 11th of September 2025 in Guinea Bissauan local time, Where the time now in Guinea Bissau is 22:16 PM and the time now in Iceland is 22:16 PM in Icelandic local time and the time comparison between Republic of Guinea-Bissau and Iceland in greenwich time ( GMT ) where Guinea Bissau advanced about greenwich time ( GMT +00:00 ) while Iceland he has the same greenwich time ( GMT +00:00 ).