The local time in Tehran, Iran and Singapore, Singapore. Pick a time in Tehran to see the matching time in Singapore, or add more cities.
Singapore is 4 hours 30 minutes ahead of Tehran.
Working hours (9:00 to 18:00) overlap from 09:00 to 13:30 in Tehran, which is 13:30 to 18:00 in Singapore. Pick another time above to see it in both cities.
Tehran is currently on UTC+3:30. The live clock at the top of this page shows the current time there.
Singapore is currently on UTC+8. The live clock at the top of this page shows the current time there.
No. Iran stays on UTC+3:30 all year, so its clocks never change.
No. Singapore stays on UTC+8 all year, so its clocks never change.