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Time difference between Chicago (United States) and Tehran (Iran)

The time difference between Chicago (UTC-05) and Tehran (UTC+03:30) is 8.5 hours. Compare time between cities.

 
+8.5
 

The exact time difference between Chicago and Tehran. The time zone for Chicago is UTC-05 (GMT-05), and the time zone for Tehran is UTC+03:30 (GMT+03:30). For example, if the time in Chicago is 12:00, then the time in Tehran is 20:30. Find out the time zones and exact time in Chicago and Tehran now.

When planning a call between Chicago and Tehran, keep in mind that the cities are in different time zones. The time in Chicago is 8.5 hours is behind the time in Tehran.

Time difference: Chicago - Tehran

Chicago (United States), UTC-5Tehran (Iran), UTC+3:30
31 Oct 00:0031 Oct 08:30
31 Oct 01:0031 Oct 09:30
31 Oct 02:0031 Oct 10:30
31 Oct 03:0031 Oct 11:30
31 Oct 04:0031 Oct 12:30
31 Oct 05:0031 Oct 13:30
31 Oct 06:0031 Oct 14:30
31 Oct 07:0031 Oct 15:30
31 Oct 08:0031 Oct 16:30
31 Oct 09:0031 Oct 17:30
31 Oct 10:0031 Oct 18:30
31 Oct 11:0031 Oct 19:30
31 Oct 12:0031 Oct 20:30
31 Oct 13:0031 Oct 21:30
31 Oct 14:0031 Oct 22:30
31 Oct 15:0031 Oct 23:30
31 Oct 16:001 Nov 00:30
31 Oct 17:001 Nov 01:30
31 Oct 18:001 Nov 02:30
31 Oct 19:001 Nov 03:30
31 Oct 20:001 Nov 04:30
31 Oct 21:001 Nov 05:30
31 Oct 22:001 Nov 06:30
31 Oct 23:001 Nov 07:30

🌐 Chicago: compare time with major cities

Los AngelesUTC-07
14:15:5610/31/2026
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15:15:5610/31/2026
New YorkUTC-04
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Buenos AiresUTC-03
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Sao PauloUTC-03
18:15:5610/31/2026
LondonUTC+00
21:15:5610/31/2026
BerlinUTC+01
22:15:5610/31/2026
ParisUTC+01
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CairoUTC+02
23:15:5610/31/2026
MoscowUTC+03
00:15:5611/01/2026
Saint PetersburgUTC+03
00:15:5611/01/2026
DubaiUTC+04
01:15:5611/01/2026
AlmatyUTC+05
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DelhiUTC+05:30
02:45:5611/01/2026
BangkokUTC+07
04:15:5611/01/2026
JakartaUTC+07
04:15:5611/01/2026
Hong KongUTC+08
05:15:5611/01/2026
ShanghaiUTC+08
05:15:5611/01/2026
SingaporeUTC+08
05:15:5611/01/2026
SeoulUTC+09
06:15:5611/01/2026
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Features of the "Timezone Difference Calculator"

Determine Time Difference Between Cities

Allows you to compare the current time in any two locations, taking into account their time zones.

Automatic Adjustment for Daylight Saving Time

Helps avoid errors when planning international calls and meetings.

Convenient for Work and Travel

Useful for business, logistics, online conferences, and personal meetings with people from different countries.

Tool Description

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This tool allows you to determine the time difference between two cities, taking into account time zones and possible daylight saving time. This is important for organizing international meetings and planning trips.

Select two cities, and the tool will instantly show the time difference, helping to avoid misunderstandings when coordinating meetings and calls.

The service is convenient for business people, travelers, and anyone who works with international partners.

Frequently Asked Questions (FAQ)

The tool automatically shows the current time in two selected cities, their time zones, and the difference between them. It takes daylight saving time changes into account, so the data is always up to date.

Yes, on this page you can see the synchronized current time for both cities, which is updated automatically.

Yes, if one of the cities switches to or from daylight saving time. For example, in Chicago the difference can be -5 hours in summer and -6 hours in winter.

When planning an online meeting, consider the time offset. If it is 12:00 in Chicago, it will be 20:30 in Tehran. Our calculator helps to quickly check the time.

If it is 12:00 in Chicago, then in Tehran it will be 21:30. The difference accounts for time zones and the daylight saving time switch. With the transition to standard time, it will be 20:30.

Chicago is in the UTC-06 time zone (America/Chicago). It observes daylight saving time, in summer it is UTC-05.

Tehran is in the UTC+03:30 time zone (Asia/Tehran). There is no daylight saving time.

The difference is usually from 8.5 to 9.5 hours and may change due to daylight saving or standard time switches.

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