Difference time between Dominica and Guinea Bissau in hours, minutes, and seconds is [ -4 hours ] with gregorian date today is Thursday 11th of September 2025 in Dominican local time, Where the time now in Dominica is 20:05 PM and the time now in Guinea Bissau is 00:05 AM in Guinea Bissauan local time and the time comparison between Commonwealth of Dominica and Guinea Bissau in greenwich time ( GMT ) where Dominica late for greenwich time ( GMT -04:00 ) while Guinea Bissau he has the same greenwich time ( GMT +00:00 ).