Difference time between Sierra Leone and United States of America in hours, minutes, and seconds is [ +4 hours ] with gregorian date today is Friday 3rd of October 2025 in Sierra Leonean local time, Where the time now in Sierra Leone is 21:44 PM and the time now in United States of America is 17:44 PM in American local time and the time comparison between Republic of Sierra Leone and United States of America in greenwich time ( GMT ) where Sierra Leone advanced about greenwich time ( GMT +00:00 ) while United States of America late for greenwich time ( GMT -04:00 ).