Istanbul to Ōshima Time Converter

Updating current time…
Istanbul
TurkeyTRT
UTC+3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Ōshima
JapanJST
UTC+9
6h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

3:00 pm15:00 TRT (UTC+3), Oct 29, 2026 = 9:00 pm21:00 JST (UTC+9), Oct 29, 2026

Istanbul is 6 hours behind Ōshima.

How the time difference changes

Istanbul is 6 hours behind Ōshima 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 Ōshima.Working hours of 09:00 to 18:00 in Istanbul correspond to 15:00 to 00:00 (next day) in Ōshima.

Compare Istanbul time with Ōshima 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 JST (Japan Standard Time).
3:00 pm15:00 in Istanbul, Turkey is 9:00 pm21:00 in Ōshima, Japan

Istanbul to Ōshima 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 Ōshima

3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours
9:00 pm21:00 JST (Japan Standard Time) (Ōshima, Japan). Offset UTC +9:00 hours

3:00 pm15:00 Istanbul, Turkey / 9:00 pm21:00 Ōshima, Japan

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Hourly time comparison
Istanbul, TurkeyŌshima, Japan
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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

Ōshima Time Zone and Facts

Time Zone

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

Ōshima Facts

Country
Japan
Population
14,798
Currency
Yen (JPY)
Geographic Coordinates
33° 56' N Latitude / 132° 11' E Longitude
International Dialing Code
+81
More About Ōshima
Ōshima local time and city facts
Current Time in Japan
Japan time now