Difference time between Guinea Bissau and Tunisia in hours, minutes, and seconds is [ -1 hours ] with gregorian date today is Thursday 30th of July 2026 in Guinea Bissauan local time, Where the time now in Guinea Bissau is 04:15 AM and the time now in Tunisia is 05:15 AM in Tunisian local time and the time comparison between Republic of Guinea-Bissau and Tunisia in greenwich time ( GMT ) where Guinea Bissau advanced about greenwich time ( GMT +00:00 ) while Tunisia advanced about greenwich time ( GMT +01:00 ).