Brazil to Mexico
-3hBrazil
BRTSOURCEMexico
CSTGreen rows indicate typical business hours (9 AM - 5 PM)
BRT and CST on the World Map
The map below highlights the BRT (Brasilia Time) and CST (Central Standard Time) timezone regions across the globe.
BRT – Brasilia Time
UTC-03:00Brasilia Time (BRT) is the time zone for eastern Brazil, 3 hours behind UTC.
- •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.
CST – Central Standard Time
UTC-06:00Central Standard Time (CST) is the time zone for the central United States, Canada, and Mexico, 6 hours behind UTC.
- •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.
Everything You Need to Know About Brazil and Mexico Time
Brazil runs on Brasilia Standard Time (BRT) at UTC-03:00. Mexico runs on Central Standard Time (CST) at UTC-06:00. That puts Brazil 3 hours behind Mexico — a difference of -3h at the current offsets.
In practice, when it is 9:00 AM in Brazil it is 6:00 AM in Mexico. Midnight in Brazil is 9:00 PM in Mexico. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Brazil to Mexico time conversion table
| Brazil (BRT) | Mexico (CST) | Day |
|---|---|---|
| 12:00 AM | 9:00 PM | previous day |
| 6:00 AM | 3:00 AM | same day |
| 7:00 AM | 4:00 AM | same day |
| 8:00 AM | 5:00 AM | same day |
| 9:00 AM | 6:00 AM | same day |
| 12:00 PM | 9:00 AM | same day |
| 3:00 PM | 12:00 PM | same day |
| 5:00 PM | 2:00 PM | same day |
| 6:00 PM | 3:00 PM | same day |
| 9:00 PM | 6:00 PM | same day |
Why people convert Brazil to Mexico time
- Scheduling a call from Brazil to Mexico: a 10:00 AM start in Brazil lands at 7:00 AM in Mexico, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Brazil and Mexico are inside the 9-to-5 working day between 12:00 PM and 5:00 PM BRT time (9:00 AM–2:00 PM CST). That is roughly 5 hours of usable overlap.
- Watching a live event or market open: Brazil viewers need 6:00 AM in Mexico to catch a 9:00 AM start there, and 3:00 AM if the event is anchored to Brazil.
- Always state the zone abbreviation, not just the hour. "3:00 PM BRT" is unambiguous; "3 PM" across a -3h gap is not.
- Block 12:00 PM–5:00 PM BRT as the recurring meeting window if you work primarily from Brazil and need Mexico colleagues present.
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.
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.
Best time to call between Brazil and Mexico
Both Brazil and Mexico sit inside the 9 AM – 5 PM working day between 12:00 PM–5:00 PM BRT, which is 9:00 AM–2:00 PM CST. That gives roughly 5 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Brazil and Mexico share 5 hours of working-hours overlap (12:00 PM–5:00 PM BRT), so scheduling a live meeting is straightforward.
Brazil is 3 hours behind Mexico (BRT UTC-03:00 → CST UTC-06:00). The shared working window is 12:00 PM–5:00 PM BRT. Remember to re-check around daylight-saving transitions.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Brazil and Mexico?
Brazil (BRT, UTC-03:00) is 3 hours behind Mexico (CST, UTC-06:00). The gap is currently -3h.
How do I convert Brazil time to Mexico time?
Add -3h to Brazil local time. For example, 9:00 AM in Brazil is 6:00 AM in Mexico.
What time is it in Mexico right now?
Mexico uses CST at UTC-06:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -3h offset from Brazil.
What is the best time to call Mexico from Brazil?
Call between 12:00 PM and 5:00 PM BRT — that maps to 9:00 AM–2:00 PM CST and keeps both parties inside the working day.
Which is behind, Brazil or Mexico?
Brazil is 3 hours behind Mexico. When it is 12:00 PM in Brazil it is 9:00 AM in Mexico.
Do Brazil and Mexico use different time zones?
Brazil (Brazil) uses BRT at UTC-03:00, while Mexico (Mexico) uses CST at UTC-06:00. The IANA identifiers are America/Sao_Paulo and America/Mexico_City.
Does daylight saving time affect the Brazil–Mexico difference?
Neither zone observes daylight saving time, so the -3h offset between Brazil and Mexico is fixed all year.
Which other cities share Brazil's time zone?
BRT also covers São Paulo, Rio de Janeiro, Brasília, Belo Horizonte, Salvador, Fortaleza, Recife, Curitiba.
Which countries use BRT, Brazil's zone?
BRT is used in Brazil (eastern).
Is there a day difference between Brazil and Mexico?
Not normally. The -3h gap only pushes the date over the previous day.
What is the time difference between Brazil and Mexico?
Mexico is -3h from Brazil.
What timezone is Brazil in?
Brazil operates on its local timezone.
What timezone is Mexico in?
Mexico operates on its local timezone.
Which countries use BRT (Brasilia Time)?
BRT is used in Brazil (eastern).
Does BRT observe daylight saving time?
No, BRT does not observe daylight saving time and remains at UTC-03:00 year-round.
What are some interesting facts about BRT?
Brazil abolished daylight saving time in 2019. São Paulo is the largest city in the Southern Hemisphere.
Which cities are in the CST timezone?
Major cities in the CST timezone include Chicago, Houston, Dallas, San Antonio, Mexico City, Austin, Winnipeg, Memphis.
What is the UTC offset for CST?
Central Standard Time (CST) is at UTC-06:00. During daylight saving time, it shifts to CDT.
What should I know about the CST timezone?
CST covers 20 US states fully or partially. Chicago and Houston are the two largest cities in the Central Time Zone.
When is it midnight in Brazil, what time is it in Mexico?
When it is 12:00 AM (midnight) in Brazil (BRT), it is -3h later in Mexico (CST).
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