Difference time between United States of America and Sierra Leone in hours, minutes, and seconds is [ -4 hours ] with gregorian date today is Saturday 13th of September 2025 in American local time, Where the time now in United States of America is 15:17 PM and the time now in Sierra Leone is 19:17 PM in Sierra Leonean local time and the time comparison between United States of America and Sierra Leone in greenwich time ( GMT ) where United States of America late for greenwich time ( GMT -04:00 ) while Sierra Leone he has the same greenwich time ( GMT +00:00 ).