Time Difference between Chicago and Kolkata
Chicago (UTC-5) → Kolkata (UTC+5:30)
🕐 Interactive Time Explorer
When it's 15:00 in Chicago, it's 1.5:00 in Kolkata
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Chicago & Kolkata◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
12,837 km
Est. Flight Time
~16.1h
Time Difference
+10.5h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Chicago
16.5:00
Kolkata
09:00
Chicago
19.5:00
Kolkata
12:00
Chicago
22.5:00
Kolkata
15:00
Chicago
1.5:00
Kolkata (+1)
18:00
Chicago
4.5:00
Kolkata (+1)
21:00
Chicago
7.5:00
Kolkata (+1)
00:00
Chicago
10.5:00
Kolkata
03:00
Chicago
13.5:00
Kolkata
❓ Frequently Asked Questions
Time Difference Between Chicago and Kolkata
Chicago, United States and Kolkata, India are separated by a time difference of 10 hours 30 min. When it's noon in Chicago, it's 10 hours 30 min later in Kolkata.
Chicago operates on America/Chicago timezone, while Kolkata uses Asia/Kolkata. Both cities may observe Daylight Saving Time at different dates, which can temporarily change the time difference by an hour.
Best Time to Call
Due to the 10 hours 30 min difference, finding overlapping business hours can be challenging.
Flight Considerations
The distance between Chicago and Kolkata is approximately 12,837 km. A direct flight typically takes around 16.1 hours. When traveling, remember that your arrival time will be in local time. Use our Flight Time Calculator for accurate arrival predictions.