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Chicago to Brazil

+2h

Chicago

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

Brazil

BRT
UTC-03:00
HH02
:
MM00
  
14:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Chicago
Brazil
12:00 AM
2:00 AM
2:00 AM
4:00 AM
4:00 AM
6:00 AM
6:00 AM
8:00 AM
8:00 AM
10:00 AM
10:00 AM
12:00 PM
12:00 PM
2:00 PM
2:00 PM
4:00 PM
4:00 PM
6:00 PM
6:00 PM
8:00 PM
8:00 PM
10:00 PM
10:00 PM
12:00 AM+1

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

CDT and BRT on the World Map

The map below highlights the CDT (Central Standard Time) and BRT (Brasilia Time) timezone regions across the globe.

CDTBRTChicagoHoustonDallasSan AntonioSão PauloRio de JaneiroBrasíliaBelo Horizonte
CDT Zone
→
BRT 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

BRT – Brasilia Time

UTC-03:00

Brasilia Time (BRT) is the time zone for eastern Brazil, 3 hours behind UTC.

Countries in BRT
Brazil (eastern)
Major Cities in BRT
São PauloRio de JaneiroBrasíliaBelo HorizonteSalvadorFortalezaRecifeCuritiba
Key Facts about BRT
  • •Brazil abolished daylight saving time in 2019.
  • •São Paulo is the largest city in the Southern Hemisphere.
  • •BRT is 2 hours ahead of EST.
  • •Brazil spans four different time zones.
  • •The B3 stock exchange in São Paulo operates on BRT.
Daylight Saving:No – UTC-03:00 year-round
Learn more about BRT 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 →

Chicago vs Brazil: Offsets, DST and Best Call Times

Chicago runs on Central Daylight Time (CDT) at UTC-05:00, currently observing daylight saving time. Brazil runs on Brasilia Standard Time (BRT) at UTC-03:00. That puts Chicago 2 hours ahead of Brazil — a difference of +2h at the current offsets.

In practice, when it is 9:00 AM in Chicago it is 11:00 AM in Brazil. Midnight in Chicago is 2:00 AM in Brazil.Chicago observes daylight saving time while Brazil does not, so the gap narrows or widens by an hour part of the year.

Chicago to Brazil time conversion table

Chicago (CDT)Brazil (BRT)Day
12:00 AM2:00 AMsame day
6:00 AM8:00 AMsame day
7:00 AM9:00 AMsame day
8:00 AM10:00 AMsame day
9:00 AM11:00 AMsame day
12:00 PM2:00 PMsame day
3:00 PM5:00 PMsame day
5:00 PM7:00 PMsame day
6:00 PM8:00 PMsame day
9:00 PM11:00 PMsame day

Why people convert Chicago to Brazil time

  • Scheduling a call from Chicago to Brazil: a 10:00 AM start in Chicago lands at 12:00 PM in Brazil, so you can confirm the slot without doing the arithmetic yourself.
  • Finding shared working hours: both Chicago and Brazil are inside the 9-to-5 working day between 9:00 AM and 3:00 PM CDT time (11:00 AM–5:00 PM BRT). That is roughly 6 hours of usable overlap.
  • Watching a live event or market open: Chicago viewers need 11:00 AM in Brazil to catch a 9:00 AM start there, and 10:00 PM if the event is anchored to Chicago.
  • Always state the zone abbreviation, not just the hour. "3:00 PM CDT" is unambiguous; "3 PM" across a +2h gap is not.
  • Block 9:00 AM–3:00 PM CDT as the recurring meeting window if you work primarily from Chicago and need Brazil colleagues present.
  • Chicago: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the +2h gap.

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 BRT (Brasilia Time)

Brasilia Time (BRT) is the standard time in the most populous regions of Brazil, including São Paulo, Rio de Janeiro, and the capital Brasília. Brazil abolished daylight saving time in 2019, so BRT is now observed year-round in these regions. Brazil spans four time zones in total.

Best time to call between Chicago and Brazil

Both Chicago and Brazil sit inside the 9 AM – 5 PM working day between 9:00 AM–3:00 PM CDT, which is 11:00 AM–5:00 PM BRT. That gives roughly 6 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Chicago and Brazil share 6 hours of working-hours overlap (9:00 AM–3:00 PM CDT), so scheduling a live meeting is straightforward.

Chicago is 2 hours ahead of Brazil (CDT UTC-05:00 → BRT UTC-03:00). The shared working window is 9:00 AM–3:00 PM CDT. 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

Brazil

Does not observe DST

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳
History of Timekeeping
From sundials to atomic clocks - 5000 years of measuring time
🌍
How Time Zones Work
UTC, offsets, and why zones don't follow straight lines
☀️
Daylight Saving Time
DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Chicago and Brazil?

Chicago (CDT, UTC-05:00) is 2 hours ahead of Brazil (BRT, UTC-03:00). The gap is currently +2h.

How do I convert Chicago time to Brazil time?

Add +2h to Chicago local time. For example, 9:00 AM in Chicago is 11:00 AM in Brazil.

What time is it in Brazil right now?

Brazil uses BRT at UTC-03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +2h offset from Chicago.

What is the best time to call Brazil from Chicago?

Call between 9:00 AM and 3:00 PM CDT — that maps to 11:00 AM–5:00 PM BRT and keeps both parties inside the working day.

Which is ahead, Chicago or Brazil?

Chicago is 2 hours ahead of Brazil. When it is 12:00 PM in Chicago it is 2:00 PM in Brazil.

Do Chicago and Brazil use different time zones?

Chicago (USA) uses CDT at UTC-05:00, while Brazil (Brazil) uses BRT at UTC-03:00. The IANA identifiers are America/Chicago and America/Sao_Paulo.

Does daylight saving time affect the Chicago–Brazil difference?

Yes at the moment: Chicago is on daylight saving time and Brazil is not, so the +2h gap shifts by an hour when exactly one of them changes clocks.

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 Brazil?

Not normally. The +2h gap only pushes the date over for late-evening times.

What is the time difference between Chicago and Brazil?

Brazil is +2h 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 Brazil in?

Brazil operates on its local timezone.

What are the business hours in Chicago?

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

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 BRT timezone?

Major cities in the BRT timezone include São Paulo, Rio de Janeiro, Brasília, Belo Horizonte, Salvador, Fortaleza, Recife, Curitiba.

What is the UTC offset for BRT?

Brasilia Time (BRT) is at UTC-03:00.

What should I know about the BRT timezone?

Brazil abolished daylight saving time in 2019. São Paulo is the largest city in the Southern Hemisphere.

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

When it is 12:00 AM (midnight) in Chicago (CST), it is +2h later in Brazil (BRT).

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