Difference time between Guinea and Sierra Leone in hours, minutes, and seconds is [ ] with gregorian date today is Tuesday 16th of December 2025 in Guinean local time, Where the time now in Guinea is 06:50 AM and the time now in Sierra Leone is 06:50 AM in Sierra Leonean local time and the time comparison between Republic of Guinea and Sierra Leone in greenwich time ( GMT ) where Guinea advanced about greenwich time ( GMT +00:00 ) while Sierra Leone he has the same greenwich time ( GMT +00:00 ).