Time difference between Seoul and Tehran
5h 30m
Seoul is 5h 30m ahead of Tehran.
Does daylight saving change it?
No. The gap is the same all year. Neither city observes daylight saving.
Overlapping work hours
Between 15:00 and 18:00 in Seoul, Tehran is also at work — 3 hours a day.
Seoul time → Tehran time
| 00:00 | 18:30prev day |
|---|---|
| 01:00 | 19:30prev day |
| 02:00 | 20:30prev day |
| 03:00 | 21:30prev day |
| 04:00 | 22:30prev day |
| 05:00 | 23:30prev day |
| 06:00 | 00:30 |
| 07:00 | 01:30 |
| 08:00 | 02:30 |
| 09:00 | 03:30 |
| 10:00 | 04:30 |
| 11:00 | 05:30 |
| 12:00 | 06:30 |
| 13:00 | 07:30 |
| 14:00 | 08:30 |
| 15:00 | 09:30 |
| 16:00 | 10:30 |
| 17:00 | 11:30 |
| 18:00 | 12:30 |
| 19:00 | 13:30 |
| 20:00 | 14:30 |
| 21:00 | 15:30 |
| 22:00 | 16:30 |
| 23:00 | 17:30 |
Standard time (January). During daylight saving each row shifts by an hour.
Frequently asked questions
Q. How many hours is Seoul ahead of Tehran?
5h 30m on standard time.
Q. What time is it in Tehran when it is noon in Seoul?
Read the 12:00 row of the 24-hour table below. The table is on standard time, so each row shifts an hour during daylight saving.
Q. When should we schedule a meeting?
The two cities' work hours (09:00–18:00) overlap for 3 hours a day. Anything inside that window catches both sides at work.