South Korea
Turkey
Seoul to Istanbul Time Difference
Istanbul is 6 hours behind Seoul
Seoul vs Istanbul — At a Glance
Seoul to Istanbul — Hour-by-Hour
About Seoul and Istanbul
Seoul (population: 9.7M) is known for Samsung and LG headquarters, K-pop culture, Gangnam, and rapid tech innovation. Istanbul (population: 15.8M) is known for the only city spanning two continents, the Hagia Sophia, Grand Bazaar, and Bosphorus.
Business Hours Overlap
The best window for business calls between Seoul and Istanbul is 9:00 AM–11:00 AM Seoul time (3:00 PM–5:00 PM in Istanbul).
Calling Between Cities
When calling Istanbul (+90) from Seoul (+82), be mindful of the 6-hour gap. The safest window is late afternoon in Seoul (4–6 PM) to reach people during waking hours.
Currency
Seoul uses KRW while Istanbul uses TRY. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Seoul primarily speaks Korean, while Istanbul speaks Turkish. For business communication, English is commonly used as a bridge language in international settings.
Use our world clock tool to compare Seoul and Istanbul visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Seoul and Istanbul?
Istanbul, Turkey is 6 hours behind Seoul, South Korea. Seoul is in the Asia/Seoul timezone (UTC+9) and Istanbul is in the Europe/Istanbul timezone (UTC+3).
When it's noon in Seoul, what time is it in Istanbul?
When it's 12:00 PM (noon) in Seoul, it's 6:00 AM in Istanbul.
What is the best time to call Istanbul from Seoul?
The best time to call Istanbul from Seoul is during the overlapping business hours. When it's 9 AM in Seoul, it's 3:00 AM in Istanbul. Aim for late morning to early afternoon in Seoul for the best chance of reaching someone during working hours.
What currency does Istanbul use?
Istanbul, Turkey uses TRY. Seoul uses KRW. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Istanbul?
The primary language in Istanbul is Turkish. English is widely used for international business communication.
How do I dial Istanbul from Seoul?
To call Istanbul from Seoul, dial your international access code followed by +90 and the local number. Seoul uses country code +82 and Istanbul uses +90.
