India
Thailand
Kolkata to Bangkok Time Difference
Bangkok is 1.5 hours ahead of Kolkata
Kolkata vs Bangkok — At a Glance
Kolkata to Bangkok — Hour-by-Hour
About Kolkata and Bangkok
Kolkata (population: 14.9M) is known for cultural capital of India, Howrah Bridge, and the Durga Puja festival. Bangkok (population: 10.5M) is known for street food, the Grand Palace, Chatuchak market, and medical tourism.
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 Kolkata (+91) and Bangkok (+66) is convenient — the time difference is small enough that you're unlikely to disturb anyone during normal waking hours.
Currency
Kolkata uses INR while Bangkok uses THB. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Kolkata primarily speaks Bengali and English and Hindi, while Bangkok speaks Thai. For business communication, English is commonly used as a bridge language in international settings.
Use our world clock tool to compare Kolkata and Bangkok visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Kolkata and Bangkok?
Bangkok, Thailand is 1.5 hours ahead of Kolkata, India. Kolkata is in the Asia/Kolkata timezone (UTC+5:30) and Bangkok is in the Asia/Bangkok timezone (UTC+7).
When it's noon in Kolkata, what time is it in Bangkok?
When it's 12:00 PM (noon) in Kolkata, it's 1:30 PM in Bangkok.
What is the best time to call Bangkok from Kolkata?
With only a 1.5-hour difference, you can comfortably call Bangkok anytime during standard business hours (9 AM–6 PM Kolkata time).
What currency does Bangkok use?
Bangkok, Thailand uses THB. Kolkata uses INR. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Bangkok?
The primary language in Bangkok is Thai. English is widely used for international business communication.
How do I dial Bangkok from Kolkata?
To call Bangkok from Kolkata, dial your international access code followed by +66 and the local number. Kolkata uses country code +91 and Bangkok uses +66.
