Time Difference between Chicago and Tehran
Chicago (UTC-6) → Tehran (UTC+3:30)
Chicago
United States
Sun, Feb 22
Tehran
Iran
Sun, Feb 22
🕐 Interactive Time Explorer
When it's 07:00 in Chicago, it's 16.5:00 in Tehran
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Chicago & Tehran◐ Extended Hours (4 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
Chicago
15.5:00
Tehran
09:00
Chicago
18.5:00
Tehran
12:00
Chicago
21.5:00
Tehran
15:00
Chicago
0.5:00
Tehran (+1)
18:00
Chicago
3.5:00
Tehran (+1)
21:00
Chicago
6.5:00
Tehran (+1)
00:00
Chicago
9.5:00
Tehran
03:00
Chicago
12.5:00
Tehran
❓ Frequently Asked Questions
Time Difference Between Chicago and Tehran
Chicago, United States and Tehran, Iran are separated by a time difference of 9 hours 30 min. When it's noon in Chicago, it's 9 hours 30 min later in Tehran.
Chicago operates on America/Chicago timezone, while Tehran uses Asia/Tehran. 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 Chicago and Tehran 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.