Tehran to Chicago Time Converter

Right now it's 12:23 PM in Tehran and 3:53 AM in Chicago. Chicago is 8h 30m behind Tehran.

From

Tehran, Iran
12:23:22PM

Monday, June 22, 2026

UTC+3:30

To

Chicago, United States
3:53:22AM

Monday, June 22, 2026

UTC-5 · CDT

Hourly conversion (TehranChicago)

TehranChicago
12:00 AM3:30 PM(−1 day)
1:00 AM4:30 PM(−1 day)
2:00 AM5:30 PM(−1 day)
3:00 AM6:30 PM(−1 day)
4:00 AM7:30 PM(−1 day)
5:00 AM8:30 PM(−1 day)
6:00 AM9:30 PM(−1 day)
7:00 AM10:30 PM(−1 day)
8:00 AM11:30 PM(−1 day)
9:00 AM12:30 AM
10:00 AM1:30 AM
11:00 AM2:30 AM
12:00 PM3:30 AM
1:00 PM4:30 AM
2:00 PM5:30 AM
3:00 PM6:30 AM
4:00 PM7:30 AM
5:00 PM8:30 AM
6:00 PM9:30 AM
7:00 PM10:30 AM
8:00 PM11:30 AM
9:00 PM12:30 PM
10:00 PM1:30 PM
11:00 PM2:30 PM

Shaded rows are within standard working hours (8am–6pm) in both cities — handy for scheduling a call.

See the full time difference between Tehran and Chicago

More Tehran conversions

Frequently asked questions

What time is it in Chicago when it's noon in Tehran?
When it's 12:00 PM in Tehran, it's 3:30 AM in Chicago.
What is the time difference between Tehran and Chicago?
Chicago is 8h 30m behind Tehran. This gap can shift by an hour around daylight saving time changes.
Do Tehran and Chicago observe daylight saving time?
Tehran does not observe daylight saving time, and Chicago observes daylight saving time (currently in effect).