Difference time between Iran and Guinea Bissau in hours, minutes, and seconds is [ +4 hours +30 minutes ] with gregorian date today is Sunday 21st of September 2025 in Iranian local time, Where the time now in Iran is 08:53 AM and the time now in Guinea Bissau is 04:23 AM in Guinea Bissauan local time and the time comparison between Islamic Republic of Iran and Guinea Bissau in greenwich time ( GMT ) where Iran advanced about greenwich time ( GMT +04:30 ) while Guinea Bissau he has the same greenwich time ( GMT +00:00 ).