Difference time between Singapore and Japan in hours, minutes, and seconds is [ -1 hours ] with gregorian date today is Wednesday 4th of February 2026 in Singaporean local time, Where the time now in Singapore is 01:05 AM and the time now in Japan is 02:05 AM in Japanese local time and the time comparison between Republic of Singapore and Japan in greenwich time ( GMT ) where Singapore advanced about greenwich time ( GMT +08:00 ) while Japan advanced about greenwich time ( GMT +09:00 ).