Difference time between Costa Rica and Iceland in hours, minutes, and seconds is [ -6 hours ] with gregorian date today is Tuesday 23rd of September 2025 in Costa Rican local time, Where the time now in Costa Rica is 22:00 PM and the time now in Iceland is 04:00 AM in Icelandic local time and the time comparison between Republic of Costa Rica and Iceland in greenwich time ( GMT ) where Costa Rica late for greenwich time ( GMT -06:00 ) while Iceland he has the same greenwich time ( GMT +00:00 ).