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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
1 Aug 00:001 Aug 08:30
1 Aug 01:001 Aug 09:30
1 Aug 02:001 Aug 10:30
1 Aug 03:001 Aug 11:30
1 Aug 04:001 Aug 12:30
1 Aug 05:001 Aug 13:30
1 Aug 06:001 Aug 14:30
1 Aug 07:001 Aug 15:30
1 Aug 08:001 Aug 16:30
1 Aug 09:001 Aug 17:30
1 Aug 10:001 Aug 18:30
1 Aug 11:001 Aug 19:30
1 Aug 12:001 Aug 20:30
1 Aug 13:001 Aug 21:30
1 Aug 14:001 Aug 22:30
1 Aug 15:001 Aug 23:30
1 Aug 16:002 Aug 00:30
1 Aug 17:002 Aug 01:30
1 Aug 18:002 Aug 02:30
1 Aug 19:002 Aug 03:30
1 Aug 20:002 Aug 04:30
1 Aug 21:002 Aug 05:30
1 Aug 22:002 Aug 06:30
1 Aug 23:002 Aug 07:30

🌐 Chicago: compare time with major cities

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Sao PauloUTC-03
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BerlinUTC+02
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LondonUTC+01
13:50:2008/01/2026
ParisUTC+02
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CairoUTC+03
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MoscowUTC+03
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Saint PetersburgUTC+03
15:50:2008/01/2026
DubaiUTC+04
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AlmatyUTC+05
17:50:2008/01/2026
DelhiUTC+05:30
18:20:2008/01/2026
BangkokUTC+07
19:50:2008/01/2026
JakartaUTC+07
19:50:2008/01/2026
Hong KongUTC+08
20:50:2008/01/2026
ShanghaiUTC+08
20:50:2008/01/2026
SingaporeUTC+08
20:50:2008/01/2026
SeoulUTC+09
21:50:2008/01/2026
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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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