Difference time between Jamaica and Grenada in hours, minutes, and seconds is [ -1 hours ] with gregorian date today is Wednesday 31st of December 2025 in Jamaican local time, Where the time now in Jamaica is 20:38 PM and the time now in Grenada is 21:38 PM in Grenadian local time and the time comparison between Jamaica and Grenada in greenwich time ( GMT ) where Jamaica late for greenwich time ( GMT -05:00 ) while Grenada late for greenwich time ( GMT -04:00 ).