Istanbul to Lang Son Time Converter

Updating current time…
Istanbul
TurkeyTRT
UTC+3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Lang Son
VietnamICT
UTC+7
4h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

3:00 pm15:00 TRT (UTC+3), Nov 2, 2026 = 7:00 pm19:00 ICT (UTC+7), Nov 2, 2026

Istanbul is 4 hours behind Lạng Sơn.

How the time difference changes

Istanbul is 4 hours behind Lang Son year-round.

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

Compare Istanbul time with Lang Son 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 Lang Son, Vietnam

Istanbul to Lạng Sơn 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 Lạng Sơn

3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours
7:00 pm19:00 ICT (Indochina Time) (Lang Son, Vietnam). Offset UTC +7:00 hours

3:00 pm15:00 Istanbul, Turkey / 7:00 pm19:00 Lang Son, Vietnam

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, TurkeyLang Son, Vietnam
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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

Lạng Sơn Time Zone and Facts

Time Zone

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

Lạng Sơn Facts

Country
Vietnam
Alternative Names
Lang Son, Lạng Sơn, Thanh Pho Lang Son, Thành Phố Lạng Sơn
Population
200,108
Currency
Dong (VND)
Geographic Coordinates
21° 51' N Latitude / 106° 45' E Longitude
International Dialing Code
+84
More About Lạng Sơn
Lạng Sơn local time and city facts