India
United States
Kolkata to Houston Time Difference
Houston is 10.5 hours behind Kolkata
Kolkata vs Houston — At a Glance
Kolkata to Houston — Hour-by-Hour
About Kolkata and Houston
Kolkata (population: 14.9M) is known for cultural capital of India, Howrah Bridge, and the Durga Puja festival. Houston (population: 2.3M) is known for NASA's Johnson Space Center, energy sector capital, and the Texas Medical Center.
Business Hours Overlap
The 10.5-hour gap means Kolkata and Houston have almost no standard-hours overlap. Early morning calls from Kolkata or late evening calls from Houston are the most practical options.
Calling Between Cities
With 10.5 hours between Kolkata (+91) and Houston (+1), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
Kolkata uses INR while Houston uses USD. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Kolkata and Houston share English as a common language, which simplifies business communication.
Use our world clock tool to compare Kolkata and Houston visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Kolkata and Houston?
Houston, United States is 10.5 hours behind Kolkata, India. Kolkata is in the Asia/Kolkata timezone (UTC+5:30) and Houston is in the America/Chicago timezone (UTC-5).
When it's noon in Kolkata, what time is it in Houston?
When it's 12:00 PM (noon) in Kolkata, it's 1:30 AM in Houston.
What is the best time to call Houston from Kolkata?
The best time to call Houston from Kolkata is during the overlapping business hours. When it's 9 AM in Kolkata, it's 10:30 PM in Houston. Aim for late morning to early afternoon in Kolkata for the best chance of reaching someone during working hours.
What currency does Houston use?
Houston, United States uses USD. Kolkata uses INR. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Houston?
The primary languages in Houston are English, Spanish. Kolkata also speaks English, making communication easier.
How do I dial Houston from Kolkata?
To call Houston from Kolkata, dial your international access code followed by +1 and the local number. Kolkata uses country code +91 and Houston uses +1.
