Mexico City to Brazil
+3hMexico City
CSTSOURCEBrazil
BRTGreen rows indicate typical business hours (9 AM - 5 PM)
CST and BRT on the World Map
The map below highlights the CST (Central Standard Time) and BRT (Brasilia Time) timezone regions across the globe.
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.
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.
About Mexico City
WikipediaMexico City operates on Central Time (CST/CDT), same as Chicago. As North America's largest city, Mexico City bridges US and Latin American business hours.
Mexico City is the oldest capital city in the Americas.
Mexico City to Brazil Time Difference – Complete Guide
Mexico City runs on Central Standard Time (CST) at UTC-06:00. Brazil runs on Brasilia Standard Time (BRT) at UTC-03:00. That puts Mexico City 3 hours ahead of Brazil — a difference of +3h at the current offsets.
In practice, when it is 9:00 AM in Mexico City it is 12:00 PM in Brazil. Midnight in Mexico City is 3:00 AM in Brazil. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Mexico City to Brazil time conversion table
| Mexico City (CST) | Brazil (BRT) | Day |
|---|---|---|
| 12:00 AM | 3:00 AM | same day |
| 6:00 AM | 9:00 AM | same day |
| 7:00 AM | 10:00 AM | same day |
| 8:00 AM | 11:00 AM | same day |
| 9:00 AM | 12:00 PM | same day |
| 12:00 PM | 3:00 PM | same day |
| 3:00 PM | 6:00 PM | same day |
| 5:00 PM | 8:00 PM | same day |
| 6:00 PM | 9:00 PM | same day |
| 9:00 PM | 12:00 AM | next day |
Why people convert Mexico City to Brazil time
- Scheduling a call from Mexico City to Brazil: a 10:00 AM start in Mexico City lands at 1:00 PM in Brazil, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Mexico City and Brazil are inside the 9-to-5 working day between 9:00 AM and 2:00 PM CST time (12:00 PM–5:00 PM BRT). That is roughly 5 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Mexico City is 11:00 PM in Brazil makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM CST" is unambiguous; "3 PM" across a +3h gap is not.
- Block 9:00 AM–2:00 PM CST as the recurring meeting window if you work primarily from Mexico City and need Brazil colleagues present.
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 Mexico City and Brazil
Both Mexico City and Brazil sit inside the 9 AM – 5 PM working day between 9:00 AM–2:00 PM CST, which is 12:00 PM–5:00 PM BRT. That gives roughly 5 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Mexico City and Brazil share 5 hours of working-hours overlap (9:00 AM–2:00 PM CST), so scheduling a live meeting is straightforward.
Mexico City is 3 hours ahead of Brazil (CST UTC-06:00 → BRT UTC-03:00). The shared working window is 9:00 AM–2:00 PM CST. 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 Mexico City and Brazil?
Mexico City (CST, UTC-06:00) is 3 hours ahead of Brazil (BRT, UTC-03:00). The gap is currently +3h.
How do I convert Mexico City time to Brazil time?
Add +3h to Mexico City local time. For example, 9:00 AM in Mexico City is 12:00 PM 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 +3h offset from Mexico City.
What is the best time to call Brazil from Mexico City?
Call between 9:00 AM and 2:00 PM CST — that maps to 12:00 PM–5:00 PM BRT and keeps both parties inside the working day.
Which is ahead, Mexico City or Brazil?
Mexico City is 3 hours ahead of Brazil. When it is 12:00 PM in Mexico City it is 3:00 PM in Brazil.
Do Mexico City and Brazil use different time zones?
Mexico City (Mexico) uses CST at UTC-06:00, while Brazil (Brazil) uses BRT at UTC-03:00. The IANA identifiers are America/Mexico_City and America/Sao_Paulo.
Does daylight saving time affect the Mexico City–Brazil difference?
Neither zone observes daylight saving time, so the +3h offset between Mexico City and Brazil is fixed all year.
Which other cities share Mexico City's time zone?
CST also covers Chicago, Houston, Dallas, San Antonio, Mexico City, Austin, Winnipeg, Memphis and 6 more.
Which countries use CST, Mexico City's zone?
CST 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 Mexico City and Brazil?
Not normally. The +3h gap only pushes the date over for late-evening times.
What is the time difference between Mexico City and Brazil?
Brazil is +3h from Mexico City.
What timezone is Mexico City in?
Mexico City operates on Central Time (CST/CDT), same as Chicago. As North America's largest city, Mexico City bridges US and Latin American business hours.
What timezone is Brazil in?
Brazil operates on its local timezone.
What are the business hours in Mexico City?
Standard business hours in Mexico City are 9:00 AM - 6:00 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 Mexico City, what time is it in Brazil?
When it is 12:00 AM (midnight) in Mexico City (CST), it is +3h later in Brazil (BRT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Mexico City time conversions
- mexico city to mexico
- mexico city to new york
- mexico city to los angeles
- mexico city to chicago
- mexico city to denver
- mexico city to toronto
- mexico city to vancouver
- mexico city to sao paulo
- mexico city to buenos aires
- mexico city to bogota
- mexico city to lima
- mexico city to santiago
- mexico city to anchorage
- mexico city to london
- mexico city to dubai
- mexico city to tokyo
- mexico city to singapore
- mexico city to sydney
- mexico city to paris
- mexico city to delhi
- mexico city to mumbai
- mexico city to berlin
- mexico city to hong kong
- mexico city to kathmandu
- new york to mexico city
- london to mexico city
- dubai to mexico city
- tokyo to mexico city
- singapore to mexico city
- sydney to mexico city
- los angeles to mexico city
- paris to mexico city
- delhi to mexico city
- mumbai to mexico city
- berlin to mexico city
- hong kong to mexico city
See every conversion from Mexico City →·See every conversion from Brazil →