Time Difference Between Seoul and Istanbul

The time difference between Seoul and Istanbul is 6 hours. When it is 12:00 noon in Seoul, it is 06:00 in Istanbul. Seoul uses the Asia/Seoul time zone (UTC+9), while Istanbul uses Europe/Istanbul (UTC+3).

Istanbul is 6 hours behind Seoul — 6 hours
Seoul, South Korea
07:30:29
Friday, March 27, 2026
UTC+9 · KST
Istanbul, Turkey
01:30:29
Friday, March 27, 2026
UTC+3 · +03

Time Zone Details: Seoul vs Istanbul

Detail Seoul Istanbul
Time Zone IDAsia/SeoulEurope/Istanbul
UTC OffsetUTC+9UTC+3
AbbreviationKST+03
DST ActiveNoNo
CountrySouth KoreaTurkey
RegionAsiaEurope

Best Time to Schedule a Call

There are 2 overlapping business hours between Seoul and Istanbul (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

15:00–17:00 in Seoul  =  09:00–11:00 in Istanbul

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Seoul time to Istanbul time. Rows highlighted in green indicate overlapping business hours in both cities.

Seoul Istanbul
00:00 18:00 (-1 day) Night
01:00 19:00 (-1 day) Night
02:00 20:00 (-1 day) Night
03:00 21:00 (-1 day) Night
04:00 22:00 (-1 day) Night
05:00 23:00 (-1 day) Night
06:00 00:00
07:00 01:00
08:00 02:00
09:00 03:00
10:00 04:00
11:00 05:00
12:00 06:00
13:00 07:00
14:00 08:00
15:00 09:00 Overlap
16:00 10:00 Overlap
17:00 11:00
18:00 12:00
19:00 13:00
20:00 14:00
21:00 15:00
22:00 16:00 Night
23:00 17:00 Night

Daylight Saving Time (DST) Impact

Neither Seoul nor Istanbul is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Seoul–Istanbul Scheduling

Compare Seoul and Istanbul with Other Cities

From Seoul

From Istanbul

Frequently Asked Questions

What is the time difference between Seoul and Istanbul?

The time difference is 6 hours. Istanbul is 6 hours behind Seoul.

Does the time difference change during the year?

It can. If either Seoul or Istanbul observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Seoul to Istanbul?

The best window is between 15:00 and 17:00 Seoul time, which corresponds to 09:00–11:00 in Istanbul. Both sides fall within normal business hours.

How do I convert Seoul time to Istanbul time?

Subtract 6 hours from Seoul time to get Istanbul time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.