Difference time between Guinea Bissau and Canada in hours, minutes, and seconds is [ +4 hours ] with gregorian date today is Thursday 21st of May 2026 in Guinea Bissauan local time, Where the time now in Guinea Bissau is 05:05 AM and the time now in Canada is 01:05 AM in Canadian local time and the time comparison between Republic of Guinea-Bissau and Canada in greenwich time ( GMT ) where Guinea Bissau advanced about greenwich time ( GMT +00:00 ) while Canada late for greenwich time ( GMT -04:00 ).