South Korea
India
Seoul to Kolkata Time Difference
Kolkata is 3.5 hours behind Seoul
Seoul vs Kolkata — At a Glance
Seoul to Kolkata — Hour-by-Hour
About Seoul and Kolkata
Seoul (population: 9.7M) is known for Samsung and LG headquarters, K-pop culture, Gangnam, and rapid tech innovation. Kolkata (population: 14.9M) is known for cultural capital of India, Howrah Bridge, and the Durga Puja festival.
Business Hours Overlap
The best window for business calls between Seoul and Kolkata is 9:00 AM–1.5:00 PM Seoul time (0.5:00 PM–5:00 PM in Kolkata).
Calling Between Cities
To call Kolkata (+91) from Seoul (+82), aim for late morning or early afternoon in Seoul — that corresponds to morning hours in Kolkata when people are usually available.
Currency
Seoul uses KRW while Kolkata uses INR. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Seoul primarily speaks Korean, 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 Seoul and Kolkata visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Seoul and Kolkata?
Kolkata, India is 3.5 hours behind Seoul, South Korea. Seoul is in the Asia/Seoul timezone (UTC+9) and Kolkata is in the Asia/Kolkata timezone (UTC+5:30).
When it's noon in Seoul, what time is it in Kolkata?
When it's 12:00 PM (noon) in Seoul, it's 8:30 AM in Kolkata.
What is the best time to call Kolkata from Seoul?
The best time to call Kolkata from Seoul is during the overlapping business hours. When it's 9 AM in Seoul, it's 5:30 AM in Kolkata. Aim for late morning to early afternoon in Seoul for the best chance of reaching someone during working hours.
What currency does Kolkata use?
Kolkata, India uses INR. Seoul uses KRW. 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 Seoul?
To call Kolkata from Seoul, dial your international access code followed by +91 and the local number. Seoul uses country code +82 and Kolkata uses +91.
