Time Difference between Tehran and Chicago
Tehran (UTC+3:30) → Chicago (UTC-6)
Tehran
Iran
Sun, Feb 22
Chicago
United States
Sun, Feb 22
🕐 Interactive Time Explorer
When it's 07:00 in Tehran, it's 21.5:00 in Chicago
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Tehran & Chicago◐ Extended Hours (3 hours)
✈️ Travel Information
Distance
10,435 km
Est. Flight Time
~13.3h
Time Difference
-9.5h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Tehran
20.5:00
Chicago (-1)
09:00
Tehran
23.5:00
Chicago (-1)
12:00
Tehran
2.5:00
Chicago
15:00
Tehran
5.5:00
Chicago
18:00
Tehran
8.5:00
Chicago
21:00
Tehran
11.5:00
Chicago
00:00
Tehran
14.5:00
Chicago (-1)
03:00
Tehran
17.5:00
Chicago (-1)
❓ Frequently Asked Questions
Time Difference Between Tehran and Chicago
Tehran, Iran and Chicago, United States are separated by a time difference of 9 hours 30 min. When it's noon in Tehran, it's 9 hours 30 min earlier in Chicago.
Tehran operates on Asia/Tehran timezone, while Chicago uses America/Chicago. 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 9 hours 30 min difference, finding overlapping business hours can be challenging.
Flight Considerations
The distance between Tehran and Chicago is approximately 10,435 km. A direct flight typically takes around 13.3 hours. When traveling, remember that your arrival time will be in local time. Use our Flight Time Calculator for accurate arrival predictions.