Difference time between Guinea and Oman in hours, minutes, and seconds is [ -4 hours ] with gregorian date today is Tuesday 16th of December 2025 in Guinean local time, Where the time now in Guinea is 06:57 AM and the time now in Oman is 10:57 AM in Omani local time and the time comparison between Republic of Guinea and Oman in greenwich time ( GMT ) where Guinea advanced about greenwich time ( GMT +00:00 ) while Oman advanced about greenwich time ( GMT +04:00 ).