India
Kolkata

India

Japan
Tokyo

Japan

Kolkata to Tokyo Time Difference

Tokyo is 3.5 hours ahead of Kolkata

KolkataIndia
9:25 AM
Thursday, April 2, 2026
UTC+5:30
TokyoJapan
12:55 PM
Thursday, April 2, 2026
UTC+9

Kolkata vs Tokyo — At a Glance

Kolkata
Tokyo
Time Zone
UTC+5:30
UTC+9
Currency
INR
JPY
Language
Bengali
Japanese
Dial Code
+91
+81
Hub Type
trade
finance

Kolkata to Tokyo — Hour-by-Hour

Kolkata, India
Tokyo, Japan
12:00 AM
3:30 AM
1:00 AM
4:30 AM
2:00 AM
5:30 AM
3:00 AM
6:30 AM
4:00 AM
7:30 AM
5:00 AM
8:30 AM
6:00 AM
9:30 AM
7:00 AM
10:30 AM
8:00 AM
11:30 AM
9:00 AM
12:30 PM
10:00 AM
1:30 PM
11:00 AM
2:30 PM
12:00 PM
3:30 PM
1:00 PM
4:30 PM
2:00 PM
5:30 PM
3:00 PM
6:30 PM
4:00 PM
7:30 PM
5:00 PM
8:30 PM
6:00 PM
9:30 PM
7:00 PM
10:30 PM
8:00 PM
11:30 PM
9:00 PM
12:30 AM(Apr 3)
10:00 PM
1:30 AM(Apr 3)
11:00 PM
2:30 AM(Apr 3)

About Kolkata and Tokyo

Kolkata (population: 14.9M) is known for cultural capital of India, Howrah Bridge, and the Durga Puja festival. Tokyo (population: 13.9M) is known for the world's largest metropolitan economy, Shibuya Crossing, anime culture, and Toyota.

Business Hours Overlap

The best window for business calls between Kolkata and Tokyo is 0.5:00 PM–5:00 PM Kolkata time (9:00 AM–1.5:00 PM in Tokyo).

Calling Between Cities

To call Tokyo (+81) from Kolkata (+91), aim for late morning or early afternoon in Kolkata — that corresponds to evening hours in Tokyo when people are usually available.

Currency

Kolkata uses INR while Tokyo uses JPY. Check current exchange rates before making payments or transferring funds between the two cities.

Language

Kolkata primarily speaks Bengali and English and Hindi, while Tokyo speaks Japanese. For business communication, English is commonly used as a bridge language in international settings.

Use our world clock tool to compare Kolkata and Tokyo visually, or browse more timezone conversions.

Frequently Asked Questions

What is the time difference between Kolkata and Tokyo?

Tokyo, Japan is 3.5 hours ahead of Kolkata, India. Kolkata is in the Asia/Kolkata timezone (UTC+5:30) and Tokyo is in the Asia/Tokyo timezone (UTC+9).

When it's noon in Kolkata, what time is it in Tokyo?

When it's 12:00 PM (noon) in Kolkata, it's 3:30 PM in Tokyo.

What is the best time to call Tokyo from Kolkata?

The best time to call Tokyo from Kolkata is during the overlapping business hours. When it's 9 AM in Kolkata, it's 12:30 PM in Tokyo. Aim for late morning to early afternoon in Kolkata for the best chance of reaching someone during working hours.

What currency does Tokyo use?

Tokyo, Japan uses JPY. Kolkata uses INR. You will need to check the current exchange rate for transactions between the two.

What language is spoken in Tokyo?

The primary language in Tokyo is Japanese. English is widely used for international business communication.

How do I dial Tokyo from Kolkata?

To call Tokyo from Kolkata, dial your international access code followed by +81 and the local number. Kolkata uses country code +91 and Tokyo uses +81.

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