Difference time between Guinea Bissau and Puerto Rico in hours, minutes, and seconds is [ +4 hours ] with gregorian date today is Thursday 1st of October 2026 in Guinea Bissauan local time, Where the time now in Guinea Bissau is 04:20 AM and the time now in Puerto Rico is 00:20 AM in Puerto Rican local time and the time comparison between Republic of Guinea-Bissau and Puerto Rico in greenwich time ( GMT ) where Guinea Bissau advanced about greenwich time ( GMT +00:00 ) while Puerto Rico late for greenwich time ( GMT -04:00 ).