Bangkok to Brazil
-10hBangkok
ICTSOURCEBrazil
BRTGreen rows indicate typical business hours (9 AM - 5 PM)
ICT and BRT on the World Map
The map below highlights the ICT (Indochina Time) and BRT (Brasilia Time) timezone regions across the globe.
ICT – Indochina Time
UTC+07:00Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.
- •Bangkok is one of the most visited cities in the world.
- •ICT is 12 hours ahead of EST.
- •Thailand, Vietnam, and Cambodia all share ICT.
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 Bangkok
WikipediaBangkok operates on Indochina Time (ICT), UTC+7. As Southeast Asia's largest economy hub, Bangkok bridges East Asian and South Asian business hours.
Bangkok is one of the world's most visited cities, with over 22 million visitors annually.
Comparing Time Zones: Bangkok and Brazil
Bangkok runs on Indochina Time (ICT) at UTC+07:00. Brazil runs on Brasilia Standard Time (BRT) at UTC-03:00. That puts Bangkok 10 hours behind Brazil — a difference of -10h at the current offsets.
In practice, when it is 9:00 AM in Bangkok it is 11:00 PM in Brazil on the previous day. Midnight in Bangkok is 2:00 PM in Brazil. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Bangkok to Brazil time conversion table
| Bangkok (ICT) | Brazil (BRT) | Day |
|---|---|---|
| 12:00 AM | 2:00 PM | previous day |
| 6:00 AM | 8:00 PM | previous day |
| 7:00 AM | 9:00 PM | previous day |
| 8:00 AM | 10:00 PM | previous day |
| 9:00 AM | 11:00 PM | previous day |
| 12:00 PM | 2:00 AM | same day |
| 3:00 PM | 5:00 AM | same day |
| 5:00 PM | 7:00 AM | same day |
| 6:00 PM | 8:00 AM | same day |
| 9:00 PM | 11:00 AM | same day |
Why people convert Bangkok to Brazil time
- Scheduling a call from Bangkok to Brazil: a 10:00 AM start in Bangkok lands at 12:00 AM in Brazil, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -10h gap: Bangkok and Brazil 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 Brazil is 11:00 PM in Bangkok.
- Keeping family and friends in sync: knowing that 8:00 PM in Bangkok is 10:00 AM in Brazil makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM ICT" is unambiguous; "3 PM" across a -10h gap is not.
- With a -10h gap there is no shared 9-to-5 window, so alternate the early start: one week Bangkok takes the early slot, the next week Brazil does.
About ICT (Indochina Time)
Indochina Time (ICT) is used across Southeast Asia including Vietnam, Thailand, Laos, and Cambodia. Indonesia (Western time, WIB) also uses UTC+07:00. ICT does not observe daylight saving time.
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 Bangkok and Brazil
With a -10h offset there is no overlap inside a normal 9 AM – 5 PM day. Brazil opens at 9:00 AM BRT, which is 11:00 PM in Bangkok, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Bangkok and Brazil have no shared working hours because of the -10h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Bangkok is 10 hours behind Brazil (ICT UTC+07:00 → BRT 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.
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 Bangkok and Brazil?
Bangkok (ICT, UTC+07:00) is 10 hours behind Brazil (BRT, UTC-03:00). The gap is currently -10h.
How do I convert Bangkok time to Brazil time?
Add -10h to Bangkok local time. For example, 9:00 AM in Bangkok is 11:00 PM in Brazil (previous day).
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 -10h offset from Bangkok.
What is the best time to call Brazil from Bangkok?
There is no shared working-hours window because of the -10h gap. The closest option is 1:00 PM in Bangkok, which is 3:00 AM in Brazil.
Which is behind, Bangkok or Brazil?
Bangkok is 10 hours behind Brazil. When it is 12:00 PM in Bangkok it is 2:00 AM in Brazil.
Do Bangkok and Brazil use different time zones?
Bangkok (Thailand) uses ICT at UTC+07:00, while Brazil (Brazil) uses BRT at UTC-03:00. The IANA identifiers are Asia/Bangkok and America/Sao_Paulo.
Does daylight saving time affect the Bangkok–Brazil difference?
Neither zone observes daylight saving time, so the -10h offset between Bangkok and Brazil is fixed all year.
Which other cities share Bangkok's time zone?
ICT also covers Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
Which countries use ICT, Bangkok's zone?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Is there a day difference between Bangkok and Brazil?
Not normally. The -10h gap only pushes the date over the previous day.
What is the time difference between Bangkok and Brazil?
Brazil is -10h from Bangkok.
What timezone is Bangkok in?
Bangkok operates on Indochina Time (ICT), UTC+7. As Southeast Asia's largest economy hub, Bangkok bridges East Asian and South Asian business hours.
What timezone is Brazil in?
Brazil operates on its local timezone.
What are the business hours in Bangkok?
Standard business hours in Bangkok are 8:30 AM - 5:30 PM ICT.
Which countries use ICT (Indochina Time)?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Does ICT observe daylight saving time?
No, ICT does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting facts about ICT?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
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 Bangkok, what time is it in Brazil?
When it is 12:00 AM (midnight) in Bangkok (ICT), it is -10h later in Brazil (BRT).
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