Istanbul to Dehra Dun Time Converter

Updating current time…
Istanbul
TurkeyTRT
UTC+3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Dehra Dun
IndiaIST
UTC+5:30
2h 30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

3:00 pm15:00 TRT (UTC+3), Oct 29, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 29, 2026

Istanbul is 2 hours and 30 minutes behind Dehra Dūn.

How the time difference changes

Istanbul is 2 hours and 30 minutes behind Dehra Dun year-round.

Working hours of 9:00 am to 6:00 pm in Istanbul correspond to 11:30 am to 8:30 pm in Dehra Dun.Working hours of 09:00 to 18:00 in Istanbul correspond to 11:30 to 20:30 in Dehra Dun.

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

Time Difference

TRT (Turkey Time) is 2 hours and 30 minutes behind IST (India Standard Time).
3:00 pm15:00 in Istanbul, Turkey is 5:30 pm17:30 in Dehra Dun, India

Istanbul to Dehra Dūn call time
Best time for a conference call or a meeting is between 9am-3:30pm09:00-15:30 in Istanbul which corresponds to 11:30am-6pm11:30-18:00 in Dehra Dūn

3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours
5:30 pm17:30 IST (India Standard Time) (Dehra Dun, India). Offset UTC +5:30 hours

3:00 pm15:00 Istanbul, Turkey / 5:30 pm17:30 Dehra Dun, India

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, TurkeyDehra Dun, India
2:30am
3:30am
4:30am
5:30am
6:30am
7:30am
8:30am
9:30am
10:30am
11:30am
12:30pm
1:30pm
2:30pm
3:30pm
4:30pm
5:30pm
6:30pm
7:30pm
8:30pm
9:30pm
10:30pm
11:30pm
12:30am next day
1:30am next day
02:30
03:30
04:30
05:30
06:30
07:30
08:30
09:30
10:30
11:30
12:30
13:30
14:30
15:30
16:30
17:30
18:30
19:30
20:30
21:30
22:30
23:30
00:30 next day
01:30 next day

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

Dehra Dūn Time Zone and Facts

Time Zone

Abbreviation / Offset
IST – India Standard Time, UTC+5:30 (no daylight saving time)

Dehra Dūn Facts

Country
India
Alternative Names
Dehra, Dehra Dun, Dehra Dūn, Dehradun, Dekhradune, Дехрадуне
Population
522,081
Currency
Rupee (INR)
Geographic Coordinates
30° 19' N Latitude / 78° 02' E Longitude
International Dialing Code
+91
More About Dehra Dūn
Dehra Dūn local time and city facts
Current Time in India
India time now