United States
India
Seattle to Kolkata Time Difference
Kolkata is 12.5 hours ahead of Seattle
Seattle vs Kolkata — At a Glance
Seattle to Kolkata — Hour-by-Hour
About Seattle and Kolkata
Seattle (population: 0.74M) is known for Amazon, Microsoft, Boeing, coffee culture, and the Pacific Northwest. Kolkata (population: 14.9M) is known for cultural capital of India, Howrah Bridge, and the Durga Puja festival.
Business Hours Overlap
The 12.5-hour gap means Seattle and Kolkata have almost no standard-hours overlap. Early morning calls from Seattle or late evening calls from Kolkata are the most practical options.
Calling Between Cities
With 12.5 hours between Seattle (+1) and Kolkata (+91), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
Seattle uses USD while Kolkata uses INR. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Seattle and Kolkata share English as a common language, which simplifies business communication.
Use our world clock tool to compare Seattle and Kolkata visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Seattle and Kolkata?
Kolkata, India is 12.5 hours ahead of Seattle, United States. Seattle is in the America/Los Angeles timezone (UTC-7) and Kolkata is in the Asia/Kolkata timezone (UTC+5:30).
When it's noon in Seattle, what time is it in Kolkata?
When it's 12:00 PM (noon) in Seattle, it's 12:30 AM in Kolkata.
What is the best time to call Kolkata from Seattle?
The best time to call Kolkata from Seattle is during the overlapping business hours. When it's 9 AM in Seattle, it's 9:30 PM in Kolkata. Aim for late morning to early afternoon in Seattle for the best chance of reaching someone during working hours.
What currency does Kolkata use?
Kolkata, India uses INR. Seattle uses USD. 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. Seattle also speaks English, making communication easier.
How do I dial Kolkata from Seattle?
To call Kolkata from Seattle, dial your international access code followed by +91 and the local number. Seattle uses country code +1 and Kolkata uses +91.
