Chicago to Mashhad Time Difference
Mashhad is 8 hours 30 min ahead of Chicago. When it is noon in Chicago, it is 20.5:00 in Mashhad.
Chicago (UTC-5) → Tehran (UTC+3:30)
🕐 Interactive Time Explorer
When it's 07:00 in Chicago, it's 15.5:00 in Mashhad
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Chicago & Mashhad◐ Extended Hours (6 hours)
✈️ Travel Information
Distance
10,706 km
Est. Flight Time
~13.6h
Time Difference
+8.5h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Chicago
14.5:00
Mashhad
09:00
Chicago
17.5:00
Mashhad
12:00
Chicago
20.5:00
Mashhad
15:00
Chicago
23.5:00
Mashhad
18:00
Chicago
2.5:00
Mashhad (+1)
21:00
Chicago
5.5:00
Mashhad (+1)
00:00
Chicago
8.5:00
Mashhad
03:00
Chicago
11.5:00
Mashhad
Frequently Asked Questions
How many hours is Chicago behind Mashhad?
Mashhad is 8 hours 30 min ahead of Chicago. When it is 12:00 noon in Chicago, it is 20.5:00 in Mashhad. Chicago operates on America/Chicago (UTC-5), while Mashhad uses Asia/Tehran (UTC+3.5).
What is the best time to call Mashhad from Chicago?
Standard business hours (9 AM–5 PM) do not overlap between Chicago and Mashhad due to the 8 hours 30 min difference. Consider early morning or late evening calls, or use async communication.
Does the Chicago to Mashhad time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Chicago and Mashhad
The distance between Chicago and Mashhad is approximately 10,706 km. A direct flight typically takes around 13.6 hours. Your arrival clock will show local Mashhad time — use our Flight Time Calculator to predict exact arrival times.