Istanbul to Diamond Harbour Time Converter

Updating current time…
Istanbul
TurkeyTRT
UTC+3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Diamond Harbour
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 28, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 28, 2026

Istanbul is 2 hours and 30 minutes behind Diamond Harbour.

How the time difference changes

Istanbul is 2 hours and 30 minutes behind Diamond Harbour year-round.

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

Compare Istanbul time with Diamond Harbour 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 Diamond Harbour, India

Istanbul to Diamond Harbour 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 Diamond Harbour

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

3:00 pm15:00 Istanbul, Turkey / 5:30 pm17:30 Diamond Harbour, 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, TurkeyDiamond Harbour, India
2:30am
3:30am
4:30am
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6:30am
7:30am
8:30am
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10:30am
11:30am
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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
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05:30
06:30
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10:30
11:30
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00:30 next day
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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

Diamond Harbour Time Zone and Facts

Time Zone

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

Diamond Harbour Facts

Country
India
Alternative Names
Diamond Harbor, Diamond Harbour, dayamanda harabara, dayamanda harbara, di ya meng de ha er bo wu er, डायमंड हार्बर, डायमण्ड हार्बर, ডায়মণ্ড হারবার, ডায়মন্ড হারবার, 迪亚蒙德哈尔博乌尔
Population
41,802
Currency
Rupee (INR)
Geographic Coordinates
22° 11' N Latitude / 88° 11' E Longitude
International Dialing Code
+91
More About Diamond Harbour
Diamond Harbour local time and city facts
Current Time in India
India time now