Difference time between Guinea and Singapore in hours, minutes, and seconds is [ -8 hours ] with gregorian date today is Friday 11th of September 2026 in Guinean local time, Where the time now in Guinea is 09:05 AM and the time now in Singapore is 17:05 PM in Singaporean local time and the time comparison between Republic of Guinea and Singapore in greenwich time ( GMT ) where Guinea advanced about greenwich time ( GMT +00:00 ) while Singapore advanced about greenwich time ( GMT +08:00 ).