Difference time between Guinea Bissau and Mauritius in hours, minutes, and seconds is [ -4 hours ] with gregorian date today is Thursday 30th of July 2026 in Guinea Bissauan local time, Where the time now in Guinea Bissau is 01:04 AM and the time now in Mauritius is 05:04 AM in Mauritian local time and the time comparison between Republic of Guinea-Bissau and Mauritius in greenwich time ( GMT ) where Guinea Bissau advanced about greenwich time ( GMT +00:00 ) while Mauritius advanced about greenwich time ( GMT +04:00 ).