Difference time between Singapore and Guinea in hours, minutes, and seconds is [ +8 hours ] with gregorian date today is Friday 12th of September 2025 in Singaporean local time, Where the time now in Singapore is 12:11 PM and the time now in Guinea is 04:11 AM in Guinean local time and the time comparison between Republic of Singapore and Guinea in greenwich time ( GMT ) where Singapore advanced about greenwich time ( GMT +08:00 ) while Guinea he has the same greenwich time ( GMT +00:00 ).