Difference time between Guinea Bissau and Benin in hours, minutes, and seconds is [ -1 hours ] 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 Benin is 23:16 PM in Beninese local time and the time comparison between Republic of Guinea-Bissau and Benin in greenwich time ( GMT ) where Guinea Bissau advanced about greenwich time ( GMT +00:00 ) while Benin advanced about greenwich time ( GMT +01:00 ).