China
Beijing

China

India
Kolkata

India

Beijing to Kolkata Time Difference

Kolkata is 2.5 hours behind Beijing

BeijingChina
11:59 AM
Thursday, April 2, 2026
UTC+8
KolkataIndia
9:29 AM
Thursday, April 2, 2026
UTC+5:30

Beijing vs Kolkata — At a Glance

Beijing
Kolkata
Time Zone
UTC+8
UTC+5:30
Currency
CNY
INR
Language
Mandarin
Bengali
Dial Code
+86
+91
Hub Type
government
trade

Beijing to Kolkata — Hour-by-Hour

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

About Beijing and Kolkata

Beijing (population: 21.5M) is known for the Forbidden City, the Great Wall, China's political center, and 2022 Olympics host. Kolkata (population: 14.9M) is known for cultural capital of India, Howrah Bridge, and the Durga Puja festival.

Business Hours Overlap

Beijing is a national capital, so official government hours (typically 9 AM–5 PM) are the primary window for diplomatic and administrative communication with Kolkata.

Calling Between Cities

To call Kolkata (+91) from Beijing (+86), aim for late morning or early afternoon in Beijing — that corresponds to morning hours in Kolkata when people are usually available.

Currency

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

Language

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

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

Frequently Asked Questions

What is the time difference between Beijing and Kolkata?

Kolkata, India is 2.5 hours behind Beijing, China. Beijing is in the Asia/Shanghai timezone (UTC+8) and Kolkata is in the Asia/Kolkata timezone (UTC+5:30).

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

When it's 12:00 PM (noon) in Beijing, it's 9:30 AM in Kolkata.

What is the best time to call Kolkata from Beijing?

With only a 2.5-hour difference, you can comfortably call Kolkata anytime during standard business hours (9 AM–6 PM Beijing time).

What currency does Kolkata use?

Kolkata, India uses INR. Beijing uses CNY. You will need to check the current exchange rate for transactions between the two.

What language is spoken in Kolkata?

The primary languages in Kolkata are Bengali, English, Hindi. English is widely used for international business communication.

How do I dial Kolkata from Beijing?

To call Kolkata from Beijing, dial your international access code followed by +91 and the local number. Beijing uses country code +86 and Kolkata uses +91.

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