Istanbul to Ulu Siau Time Converter

Updating current time…
Istanbul
TurkeyTRT
UTC+3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Ulu Siau
IndonesiaWITA
UTC+8
5h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

3:00 pm15:00 TRT (UTC+3), Nov 2, 2026 = 8:00 pm20:00 WITA (UTC+8), Nov 2, 2026

Istanbul is 5 hours behind Ulu Siau.

How the time difference changes

Istanbul is 5 hours behind Ulu Siau year-round.

Working hours of 9:00 am to 6:00 pm in Istanbul correspond to 2:00 pm to 11:00 pm in Ulu Siau.Working hours of 09:00 to 18:00 in Istanbul correspond to 14:00 to 23:00 in Ulu Siau.

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

Time Difference

TRT (Turkey Time) is 5 hours behind WITA (Central Indonesian Time).
3:00 pm15:00 in Istanbul, Turkey is 8:00 pm20:00 in Ulu Siau, Indonesia

Istanbul to Ulu Siau call time
Best time for a conference call or a meeting is between 9am-1pm09:00-13:00 in Istanbul which corresponds to 2pm-6pm14:00-18:00 in Ulu Siau

3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours
8:00 pm20:00 WITA (Central Indonesian Time) (Ulu Siau, Indonesia). Offset UTC +8:00 hours

3:00 pm15:00 Istanbul, Turkey / 8:00 pm20:00 Ulu Siau, Indonesia

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Hourly time comparison
Istanbul, TurkeyUlu Siau, Indonesia
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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

Ulu Siau Time Zone and Facts

Time Zone

Abbreviation / Offset
WITA – Central Indonesian Time, UTC+8 (no daylight saving time)

Ulu Siau Facts

Country
Indonesia
Currency
Rupiah (IDR)
Geographic Coordinates
2° 43' N Latitude / 125° 24' E Longitude
International Dialing Code
+62
More About Ulu Siau
Ulu Siau local time and city facts