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Chicago to Cairo

+8h

Chicago

CDTSOURCE
USA · UTC-05:00☀ DST active
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

Cairo

EEST
Egypt · UTC+03:00☀ DST active
HH08
:
MM00
  
20:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Chicago
Cairo
12:00 AM
8:00 AM
2:00 AM
10:00 AM
4:00 AM
12:00 PM
6:00 AM
2:00 PM
8:00 AM
4:00 PM
10:00 AM
6:00 PM
12:00 PM
8:00 PM
2:00 PM
10:00 PM
4:00 PM
12:00 AM+1
6:00 PM
2:00 AM+1
8:00 PM
4:00 AM+1
10:00 PM
6:00 AM+1

Green rows indicate typical business hours (9 AM - 5 PM)

CDT and EEST on the World Map

The map below highlights the CDT (Central Standard Time) and EEST (Eastern European Time) timezone regions across the globe.

CDTEESTChicagoHoustonDallasSan AntonioCairoAthensHelsinkiBucharest
CDT Zone
→
EEST Zone

Explore all world timezones interactively →

CST – Central Standard Time

UTC-06:00

Central Standard Time (CST) is the time zone for the central United States, Canada, and Mexico, 6 hours behind UTC.

Countries in CST
United States (Central)Canada (Manitoba, Saskatchewan)MexicoGuatemalaHondurasEl SalvadorCosta RicaNicaraguaBelize
Major Cities in CST
ChicagoHoustonDallasSan AntonioMexico CityAustinWinnipegMemphisMilwaukeeNashvilleKansas CityNew OrleansMinneapolisGuatemala City
Key Facts about CST
  • •CST covers 20 US states fully or partially.
  • •Chicago and Houston are the two largest cities in the Central Time Zone.
  • •Mexico City, one of the world's most populous cities, operates on CST.
  • •CST is 1 hour behind EST and 2 hours ahead of PST.
Daylight Saving:Yes – switches to CDT
Learn more about CST on Wikipedia

EET – Eastern European Time

UTC+02:00

Eastern European Time (EET) is used in Eastern Europe, the Middle East, and northeastern Africa, 2 hours ahead of UTC.

Countries in EET
FinlandGreeceRomaniaBulgariaUkraineEgyptIsraelLebanonJordanLithuaniaLatviaEstoniaMoldovaLibyaSyriaPalestineCyprus
Major Cities in EET
CairoAthensHelsinkiBucharestKyivSofiaJerusalemTel AvivBeirutVilniusRigaTallinn
Key Facts about EET
  • •EET covers countries across three continents: Europe, Asia, and Africa.
  • •Cairo is the most populous city in the EET zone.
  • •Turkey used to be on EET but permanently moved to UTC+03:00 in 2016.
  • •Finland, the Baltic states, and Greece all use EET.
Daylight Saving:Yes – switches to EEST
Learn more about EET on Wikipedia

About Chicago

Wikipedia

Chicago operates on Central Time (CST/CDT), 1 hour behind New York. Home to CME and CBOE, Chicago is a global center for derivatives trading.

Population:2.7 million
Metro:9.5 million
Business Hours:8:00 AM - 5:00 PM CST
Currency:USD ($)
Stock Exchange:CME (Chicago Mercantile Exchange), CBOE
Key Landmarks
Willis TowerMillennium ParkCloud Gate (The Bean)Navy PierArt Institute of Chicago
Did You Know?

The Chicago Board of Trade is the world's oldest futures and options exchange.

Learn more about CDT timezone →

About Cairo

Wikipedia

Cairo operates on Eastern European Time (EET), UTC+2. As Africa's largest city and Arab world's cultural capital, Cairo bridges African and Middle Eastern time.

Population:10.2 million
Metro:21.3 million
Business Hours:9:00 AM - 5:00 PM EET
Currency:EGP (£)
Stock Exchange:EGX (Egyptian Exchange)
Key Landmarks
Pyramids of GizaEgyptian MuseumKhan el-KhaliliAl-Azhar MosqueCairo Tower
Did You Know?

The Pyramids of Giza are the only surviving wonder of the ancient world.

Learn more about EEST timezone →

Chicago vs Cairo: Offsets, DST and Best Call Times

Chicago runs on Central Daylight Time (CDT) at UTC-05:00, currently observing daylight saving time. Cairo runs on Eastern European Summer Time (EEST) at UTC+03:00, also currently on daylight saving time. That puts Chicago 8 hours ahead of Cairo — a difference of +8h at the current offsets.

In practice, when it is 9:00 AM in Chicago it is 5:00 PM in Cairo. Midnight in Chicago is 8:00 AM in Cairo. Because both zones shift for daylight saving, the gap between them only changes during the few weeks each year when their transition dates differ.

Chicago to Cairo time conversion table

Chicago (CDT)Cairo (EEST)Day
12:00 AM8:00 AMsame day
6:00 AM2:00 PMsame day
7:00 AM3:00 PMsame day
8:00 AM4:00 PMsame day
9:00 AM5:00 PMsame day
12:00 PM8:00 PMsame day
3:00 PM11:00 PMsame day
5:00 PM1:00 AMnext day
6:00 PM2:00 AMnext day
9:00 PM5:00 AMnext day

Why people convert Chicago to Cairo time

  • Scheduling a call from Chicago to Cairo: a 10:00 AM start in Chicago lands at 6:00 PM in Cairo, so you can confirm the slot without doing the arithmetic yourself.
  • Handling a +8h gap: Chicago and Cairo have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Cairo is 5:00 PM in Chicago.
  • Keeping family and friends in sync: knowing that 8:00 PM in Chicago is 4:00 AM in Cairo makes it easy to avoid calling at 3 AM.
  • Always state the zone abbreviation, not just the hour. "3:00 PM CDT" is unambiguous; "3 PM" across a +8h gap is not.
  • With a +8h gap there is no shared 9-to-5 window, so alternate the early start: one week Chicago takes the early slot, the next week Cairo does.
  • Chicago: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the +8h gap.
  • Cairo: Clocks fall back on Thu, Oct 29, 2026. Any meeting series spanning that date will shift by an hour in local time.

About CST (Central Standard Time)

Central Standard Time (CST) covers the central region of North America. It is the second most populous time zone in the US, including major cities like Chicago, Houston, and Dallas. CST is also used in Mexico City and much of Central America including Guatemala, Honduras, El Salvador, and Costa Rica. During summer, most of the US and Canada switch to Central Daylight Time (CDT, UTC-05:00), while Mexico and Central American countries generally remain on CST.

About EET (Eastern European Time)

Eastern European Time (EET) covers a wide geographical area including Eastern Europe (Finland, Greece, Romania, Bulgaria, Ukraine), the Middle East (Israel, Lebanon, Jordan), and northeastern Africa (Egypt, Libya). During summer, most EET countries switch to Eastern European Summer Time (EEST, UTC+03:00). Turkey permanently moved to UTC+03:00 in 2016, effectively leaving EET.

Best time to call between Chicago and Cairo

With a +8h offset there is no overlap inside a normal 9 AM – 5 PM day. Cairo opens at 9:00 AM EEST, which is 5:00 PM in Chicago, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

Chicago and Cairo have no shared working hours because of the +8h gap. Teams need to alternate early starts or rely on asynchronous handovers.

Chicago is 8 hours ahead of Cairo (CDT UTC-05:00 → EEST UTC+03:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Chicago

☀ Currently in DST

Standard: UTC-06:00 · DST: UTC-05:00

Clocks fall back on Sun, Nov 1, 2026

Cairo

☀ Currently in DST

Standard: UTC+02:00 · DST: UTC+03:00

Clocks fall back on Thu, Oct 29, 2026

Frequently Asked Questions

What is the time difference between Chicago and Cairo?

Chicago (CDT, UTC-05:00) is 8 hours ahead of Cairo (EEST, UTC+03:00). The gap is currently +8h.

How do I convert Chicago time to Cairo time?

Add +8h to Chicago local time. For example, 9:00 AM in Chicago is 5:00 PM in Cairo.

What time is it in Cairo right now?

Cairo uses EEST at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +8h offset from Chicago.

What is the best time to call Cairo from Chicago?

There is no shared working-hours window because of the +8h gap. The closest option is 1:00 PM in Chicago, which is 9:00 PM in Cairo.

Which is ahead, Chicago or Cairo?

Chicago is 8 hours ahead of Cairo. When it is 12:00 PM in Chicago it is 8:00 PM in Cairo.

Do Chicago and Cairo use different time zones?

Chicago (USA) uses CDT at UTC-05:00, while Cairo (Egypt) uses EEST at UTC+03:00. The IANA identifiers are America/Chicago and Africa/Cairo.

Does daylight saving time affect the Chicago–Cairo difference?

Both zones observe DST, so the difference stays at +8h for most of the year and only changes during the weeks when their transition dates do not line up.

Which other cities share Chicago's time zone?

CDT also covers Chicago, Houston, Dallas, San Antonio, Mexico City, Austin, Winnipeg, Memphis and 6 more.

Which countries use CDT, Chicago's zone?

CDT is used in United States (Central), Canada (Manitoba, Saskatchewan), Mexico, Guatemala, Honduras, El Salvador, Costa Rica, Nicaragua and 1 more.

Is there a day difference between Chicago and Cairo?

Not normally. The +8h gap only pushes the date over for late-evening times.

What is the time difference between Chicago and Cairo?

Cairo is +8h from Chicago.

What timezone is Chicago in?

Chicago operates on Central Time (CST/CDT), 1 hour behind New York. Home to CME and CBOE, Chicago is a global center for derivatives trading.

What timezone is Cairo in?

Cairo operates on Eastern European Time (EET), UTC+2. As Africa's largest city and Arab world's cultural capital, Cairo bridges African and Middle Eastern time.

What are the business hours in Chicago?

Standard business hours in Chicago are 8:00 AM - 5:00 PM CST.

What are the business hours in Cairo?

Standard business hours in Cairo are 9:00 AM - 5:00 PM EET.

What is the best time to schedule a call between Chicago and Cairo?

The best overlap for a call is when both cities are in business hours. Chicago works 8:00 AM - 5:00 PM CST and Cairo works 9:00 AM - 5:00 PM EET (+8h difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Chicago and Cairo?

Chicago uses USD ($) while Cairo uses EGP (£). Check current exchange rates when planning travel or business between these cities.

How do Chicago and Cairo compare in size?

Chicago has a population of approximately 2.7 million (metro: 9.5 million), while Cairo has approximately 10.2 million (metro: 21.3 million).

What are the major landmarks in Chicago and Cairo?

Chicago is known for Willis Tower, Millennium Park, Cloud Gate (The Bean). Cairo is famous for Pyramids of Giza, Egyptian Museum, Khan el-Khalili.

Do Chicago and Cairo have stock exchanges?

Yes. Chicago has the CME (Chicago Mercantile Exchange), CBOE and Cairo has the EGX (Egyptian Exchange). The +8h time difference affects trading hour overlaps between these exchanges.

Which countries use CST (Central Standard Time)?

CST is used in United States (Central), Canada (Manitoba, Saskatchewan), Mexico, Guatemala, Honduras, El Salvador, and 3 more countries.

Does CST observe daylight saving time?

Yes, CST switches to CDT during summer months.

What are some interesting facts about CST?

CST covers 20 US states fully or partially. Chicago and Houston are the two largest cities in the Central Time Zone.

Which cities are in the EET timezone?

Major cities in the EET timezone include Cairo, Athens, Helsinki, Bucharest, Kyiv, Sofia, Jerusalem, Tel Aviv.

What is the UTC offset for EET?

Eastern European Time (EET) is at UTC+02:00. During daylight saving time, it shifts to EEST.

What should I know about the EET timezone?

EET covers countries across three continents: Europe, Asia, and Africa. Cairo is the most populous city in the EET zone.

When is it midnight in Chicago, what time is it in Cairo?

When it is 12:00 AM (midnight) in Chicago (CST), it is +8h later in Cairo (EET).