🇹🇷 Istanbul ↔ 🇮🇳 Kolkata

Istanbul is 2 hours 30 min behind Kolkata
Mon, Jun 15
clear sky24°Cclear sky

Sunrise 5:32 AMSunset 8:39 PM(local)

Mon, Jun 15
clear sky39°Cclear sky

Sunrise 4:53 AMSunset 6:23 PM(local)

IstanbulUTC+3
KolkataUTC+5:30
12:00MON, 15 Jun
14:30MON, 15 Jun
12
13
14
15
16
17
18
19
20
21
22
23
TUE16 Jun
1
2
3
4
5
6
7
8
9
10
11
1430
1530
1630
1730
1830
1930
2030
2130
2230
2330
TUE16 Jun
130
230
330
430
530
630
730
830
930
1030
1130
1230
1330

🇹🇷 Istanbul

Dialing code+90
Coordinates41.01°N, 28.95°E
Elevation39 m

🇮🇳 Kolkata

Dialing code+91
Coordinates22.56°N, 88.36°E
Elevation11 m

Best time for a call: 12:00–16:00 in IstanbulAdd to calendar

Working hours assumed 9:00–18:00.

Frequently asked questions

What is the time difference between Istanbul and Kolkata?
Istanbul is 2 hours 30 min behind Kolkata. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
When is the best time to call between Istanbul and Kolkata?
The best window to call is 12:00–16:00 Istanbul time, when working hours overlap in both cities. Pick an hour on the strips to add it to your calendar.
Why does the time difference between Istanbul and Kolkata change?
It doesn't — neither Istanbul nor Kolkata observes daylight saving time, so the difference between them stays the same all year.