Difference time between Iran and Singapore in hours, minutes, and seconds is [ -3 hours -30 minutes ] with gregorian date today is Tuesday 21st of July 2026 in Iranian local time, Where the time now in Iran is 21:29 PM and the time now in Singapore is 00:59 AM in Singaporean local time and the time comparison between Islamic Republic of Iran and Singapore in greenwich time ( GMT ) where Iran advanced about greenwich time ( GMT +04:30 ) while Singapore advanced about greenwich time ( GMT +08:00 ).