Difference time between Guinea Bissau and Isle of Man 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 13:17 PM and the time now in Isle of Man is 14:17 PM in Manx local time and the time comparison between Republic of Guinea-Bissau and Isle of Man in greenwich time ( GMT ) where Guinea Bissau advanced about greenwich time ( GMT +00:00 ) while Isle of Man advanced about greenwich time ( GMT +01:00 ).