Tehran, Iran Seoul, South Korea
Compare time between Tehran and Seoul
Date
Time format
Tehran, Iran
4:32
PM
Friday, August 21, 2026
Seoul, South Korea
10:02
PM
Friday, August 21, 2026
Time Difference Timeline
See the time difference throughout the day
Day time
Night time
Time difference
5h 30m
Best time to meet
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Quick facts
Tehran time zone: +0330 (UTC+3:30)
Seoul time zone: KST (UTC+9)
Distance: Tehran → Seoul
Frequently Asked Questions
Tehran is in the +0330 timezone (UTC+3:30) and Seoul is in the KST timezone (UTC+9). The time difference between them is 5h 30m.
Use the timeline above to find overlapping business hours between Tehran and Seoul. The "Best time to meet" card highlights the window where both cities are within working hours (9 AM – 6 PM local time).
Neither Tehran nor Seoul observes Daylight Saving Time, so the time difference remains constant throughout the year.
Click the pencil icon next to the Tehran clock and type any time. The Seoul clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.