Difference time between Mauritania and Puerto Rico in hours, minutes, and seconds is [ +4 hours ] with gregorian date today is Thursday 10th of September 2026 in Mauritanian local time, Where the time now in Mauritania is 07:23 AM and the time now in Puerto Rico is 03:23 AM in Puerto Rican local time and the time comparison between Islamic Republic of Mauritania and Puerto Rico in greenwich time ( GMT ) where Mauritania advanced about greenwich time ( GMT +00:00 ) while Puerto Rico late for greenwich time ( GMT -04:00 ).