Istanbul to Tan Sum Time Converter

Updating current time…
Istanbul
TurkeyTRT
UTC+3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Tan Sum
ThailandICT
UTC+7
4h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

3:00 pm15:00 TRT (UTC+3), Oct 29, 2026 = 7:00 pm19:00 ICT (UTC+7), Oct 29, 2026

Istanbul is 4 hours behind Tan Sum.

How the time difference changes

Istanbul is 4 hours behind Tan Sum year-round.

Working hours of 9:00 am to 6:00 pm in Istanbul correspond to 1:00 pm to 10:00 pm in Tan Sum.Working hours of 09:00 to 18:00 in Istanbul correspond to 13:00 to 22:00 in Tan Sum.

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

Time Difference

TRT (Turkey Time) is 4 hours behind ICT (Indochina Time).
3:00 pm15:00 in Istanbul, Turkey is 7:00 pm19:00 in Tan Sum, Thailand

Istanbul to Tan Sum call time
Best time for a conference call or a meeting is between 9am-2pm09:00-14:00 in Istanbul which corresponds to 1pm-6pm13:00-18:00 in Tan Sum

3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours
7:00 pm19:00 ICT (Indochina Time) (Tan Sum, Thailand). Offset UTC +7:00 hours

3:00 pm15:00 Istanbul, Turkey / 7:00 pm19:00 Tan Sum, Thailand

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, TurkeyTan Sum, Thailand
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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

Tan Sum Time Zone and Facts

Time Zone

Abbreviation / Offset
ICT – Indochina Time, UTC+7 (no daylight saving time)

Tan Sum Facts

Country
Thailand
Currency
Baht (THB)
Geographic Coordinates
15° 18' N Latitude / 105° 09' E Longitude
International Dialing Code
+66
More About Tan Sum
Tan Sum local time and city facts