Istanbul to Jeju City Time Converter

Updating current time…
Istanbul
TurkeyTRT
UTC+3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Jeju City
South KoreaKST
UTC+9
6h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

3:00 pm15:00 TRT (UTC+3), Nov 5, 2026 = 9:00 pm21:00 KST (UTC+9), Nov 5, 2026

Istanbul is 6 hours behind Jeju City.

How the time difference changes

Istanbul is 6 hours behind Jeju City year-round.

Working hours of 9:00 am to 6:00 pm in Istanbul correspond to 3:00 pm to 12:00 am (next day) in Jeju City.Working hours of 09:00 to 18:00 in Istanbul correspond to 15:00 to 00:00 (next day) in Jeju City.

Compare Istanbul time with Jeju City time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

TRT (Turkey Time) is 6 hours behind KST (Korea Standard Time).
3:00 pm15:00 in Istanbul, Turkey is 9:00 pm21:00 in Jeju City, South Korea

Istanbul to Jeju City call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in Istanbul which corresponds to 3pm-6pm15:00-18:00 in Jeju City

3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours
9:00 pm21:00 KST (Korea Standard Time) (Jeju City, South Korea). Offset UTC +9:00 hours

3:00 pm15:00 Istanbul, Turkey / 9:00 pm21:00 Jeju City, South Korea

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
Istanbul, TurkeyJeju City, South Korea
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Istanbul Time Zone and Facts

Time Zone

Abbreviation / Offset
TRT – Turkey Time, UTC+3 (no daylight saving time)

Istanbul Facts

Country
Turkey
Alternative Names
Bizanc, Bizánc, Byzance, Byzantion, Byzantium, Byzanz, Constantinoble, Constantinopla, Constantinople, Constantinopolen, Constantinopoli, Constantinopolis, Costantinopoli, Estambul, IST, Istamboul, Istambul, Istambuł, Istampoul, Istanbul, Istanbúl, Isztambul, Konstantinapoly, Konstantinopel, Konstantinopolo, Konstantinoupoli, Konstantinoupolis, Konstantinápoly, Kustantiniyah, Micklagard, Micklagård, Mikligardur, Mikligarður, Stamboul, Stambul, Stambula, Stambuł, Tsarigrad, Vizantija (Vizantija), Vyzantio, astnbwl, bijantium, byuzantion, byzntywn, iseutanbul, istambula, isutanburu, stin Poli [stimˈboli], yi si tan bu er, İstanbul, Βυζάντιο, Βυζαντιο, Ισταμπουλ, Ισταμπούλ, Κωνσταντινουπολη, Κωνσταντινούπολη, Κωνσταντινούπολις, στην Πόλι [stimˈboli], Византија (Vizantija), Истанбул, Стамбул, ביזנטיון, اسطنبول, इस्तांबुल, ইস্তাম্বুল, イスタンブール, ビュザンティオン, 伊斯坦布尔, 비잔티움, 이스탄불
Population
15,701,602
Currency
Lira (TRY)
Geographic Coordinates
41° 00' N Latitude / 28° 56' E Longitude
International Dialing Code
+90
More About Istanbul
Istanbul local time and city facts
Current Time in Turkey
Turkey time now

Jeju City Time Zone and Facts

Time Zone

Abbreviation / Offset
KST – Korea Standard Time, UTC+9 (no daylight saving time)

Jeju City Facts

Country
South Korea
Alternative Names
CJU, Chedzhu, Cheju, Chu-sung, Chyei Chyu, Czedzu, Czedżu, Jeju, Jeju City, Kota Jeju, Saishu, Saishū, Saisyu, Saisyu Yu, Saisyū, Saisyū Yū, Tsche-dschu, Tse-tsiu, Tsitcheou, Tzetzou, chjw, jeju, jejusi, ji zhou, ji zhou shi, jyjw, Τζέτζου, Чеджу, جيجو, چجو, 済州市, 濟州, 濟州市, 제주, 제주시
Population
488,844
Currency
Won (KRW)
Geographic Coordinates
33° 30' N Latitude / 126° 31' E Longitude
International Dialing Code
+82
More About Jeju City
Jeju City local time and city facts