Difference time between Canada and Guinea Bissau in hours, minutes, and seconds is [ -4 hours ] with gregorian date today is Saturday 13th of September 2025 in Canadian local time, Where the time now in Canada is 05:31 AM and the time now in Guinea Bissau is 09:31 AM in Guinea Bissauan local time and the time comparison between Canada and Guinea Bissau in greenwich time ( GMT ) where Canada late for greenwich time ( GMT -04:00 ) while Guinea Bissau he has the same greenwich time ( GMT +00:00 ).