Thailand
India
Bangkok to Kolkata Time Difference
Kolkata is 1.5 hours behind Bangkok
Bangkok vs Kolkata — At a Glance
Bangkok to Kolkata — Hour-by-Hour
About Bangkok and Kolkata
Bangkok (population: 10.5M) is known for street food, the Grand Palace, Chatuchak market, and medical tourism. Kolkata (population: 14.9M) is known for cultural capital of India, Howrah Bridge, and the Durga Puja festival.
Business Hours Overlap
Bangkok is a major tourism destination. Travel agents and hospitality businesses frequently coordinate bookings across the 1.5-hour time difference with Kolkata.
Calling Between Cities
Calling between Bangkok (+66) and Kolkata (+91) is convenient — the time difference is small enough that you're unlikely to disturb anyone during normal waking hours.
Currency
Bangkok uses THB while Kolkata uses INR. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Bangkok primarily speaks Thai, 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 Bangkok and Kolkata visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Bangkok and Kolkata?
Kolkata, India is 1.5 hours behind Bangkok, Thailand. Bangkok is in the Asia/Bangkok timezone (UTC+7) and Kolkata is in the Asia/Kolkata timezone (UTC+5:30).
When it's noon in Bangkok, what time is it in Kolkata?
When it's 12:00 PM (noon) in Bangkok, it's 10:30 AM in Kolkata.
What is the best time to call Kolkata from Bangkok?
With only a 1.5-hour difference, you can comfortably call Kolkata anytime during standard business hours (9 AM–6 PM Bangkok time).
What currency does Kolkata use?
Kolkata, India uses INR. Bangkok uses THB. 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 Bangkok?
To call Kolkata from Bangkok, dial your international access code followed by +91 and the local number. Bangkok uses country code +66 and Kolkata uses +91.
