Time Difference between Chicago and Patna
Chicago (UTC-5) → Kolkata (UTC+5:30)
🕐 Interactive Time Explorer
When it's 14:00 in Chicago, it's 0.5:00 in Patna
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Chicago & Patna◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
12,476 km
Est. Flight Time
~15.7h
Time Difference
+10.5h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Chicago
16.5:00
Patna
09:00
Chicago
19.5:00
Patna
12:00
Chicago
22.5:00
Patna
15:00
Chicago
1.5:00
Patna (+1)
18:00
Chicago
4.5:00
Patna (+1)
21:00
Chicago
7.5:00
Patna (+1)
00:00
Chicago
10.5:00
Patna
03:00
Chicago
13.5:00
Patna
❓ Frequently Asked Questions
Time Difference Between Chicago and Patna
Chicago, United States and Patna, 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 Patna.
Chicago operates on America/Chicago timezone, while Patna 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 Patna is approximately 12,476 km. A direct flight typically takes around 15.7 hours. When traveling, remember that your arrival time will be in local time. Use our Flight Time Calculator for accurate arrival predictions.