Bangkok to São Paulo
-10hBangkok
ICTSOURCESão Paulo
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.
About São Paulo
WikipediaSão Paulo operates on Brasília Time (BRT), UTC-3. As South America's largest financial center, São Paulo's B3 exchange is the Americas' second-largest.
The city has more helicopters than any other city in the world due to traffic congestion.
Bangkok vs São Paulo: Offsets, DST and Best Call Times
Bangkok runs on Indochina Time (ICT) at UTC+07:00. São Paulo runs on Brasilia Standard Time (BRT) at UTC-03:00. That puts Bangkok 10 hours behind São Paulo — a difference of -10h at the current offsets.
In practice, when it is 9:00 AM in Bangkok it is 11:00 PM in São Paulo on the previous day. Midnight in Bangkok is 2:00 PM in São Paulo. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Bangkok to São Paulo time conversion table
| Bangkok (ICT) | São Paulo (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 São Paulo time
- Scheduling a call from Bangkok to São Paulo: a 10:00 AM start in Bangkok lands at 12:00 AM in São Paulo, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -10h gap: Bangkok and São Paulo 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 São Paulo is 11:00 PM in Bangkok.
- Watching a live event or market open: Bangkok viewers need 11:00 PM in São Paulo to catch a 9:00 AM start there, and 10:00 AM if the event is anchored to Bangkok.
- 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 São Paulo 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 São Paulo
With a -10h offset there is no overlap inside a normal 9 AM – 5 PM day. São Paulo 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 São Paulo 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 São Paulo (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 São Paulo?
Bangkok (ICT, UTC+07:00) is 10 hours behind São Paulo (BRT, UTC-03:00). The gap is currently -10h.
How do I convert Bangkok time to São Paulo time?
Add -10h to Bangkok local time. For example, 9:00 AM in Bangkok is 11:00 PM in São Paulo (previous day).
What time is it in São Paulo right now?
São Paulo 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 São Paulo 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 São Paulo.
Which is behind, Bangkok or São Paulo?
Bangkok is 10 hours behind São Paulo. When it is 12:00 PM in Bangkok it is 2:00 AM in São Paulo.
Do Bangkok and São Paulo use different time zones?
Bangkok (Thailand) uses ICT at UTC+07:00, while São Paulo (Brazil) uses BRT at UTC-03:00. The IANA identifiers are Asia/Bangkok and America/Sao_Paulo.
Does daylight saving time affect the Bangkok–São Paulo difference?
Neither zone observes daylight saving time, so the -10h offset between Bangkok and São Paulo 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 São Paulo?
Not normally. The -10h gap only pushes the date over the previous day.
What is the time difference between Bangkok and São Paulo?
São Paulo 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 São Paulo in?
São Paulo operates on Brasília Time (BRT), UTC-3. As South America's largest financial center, São Paulo's B3 exchange is the Americas' second-largest.
What are the business hours in Bangkok?
Standard business hours in Bangkok are 8:30 AM - 5:30 PM ICT.
What are the business hours in São Paulo?
Standard business hours in São Paulo are 9:00 AM - 6:00 PM BRT.
What is the best time to schedule a call between Bangkok and São Paulo?
The best overlap for a call is when both cities are in business hours. Bangkok works 8:30 AM - 5:30 PM ICT and São Paulo works 9:00 AM - 6:00 PM BRT (-10h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Bangkok and São Paulo?
Bangkok uses THB (฿) while São Paulo uses BRL (R$). Check current exchange rates when planning travel or business between these cities.
How do Bangkok and São Paulo compare in size?
Bangkok has a population of approximately 8.3 million (metro: 14.6 million), while São Paulo has approximately 12.4 million (metro: 22.4 million).
What are the major landmarks in Bangkok and São Paulo?
Bangkok is known for Grand Palace, Wat Arun, Wat Pho. São Paulo is famous for Paulista Avenue, Ibirapuera Park, São Paulo Cathedral.
Do Bangkok and São Paulo have stock exchanges?
Yes. Bangkok has the SET (Stock Exchange of Thailand) and São Paulo has the B3 (Brasil Bolsa Balcão). The -10h time difference affects trading hour overlaps between these exchanges.
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 São Paulo?
When it is 12:00 AM (midnight) in Bangkok (ICT), it is -10h later in São Paulo (BRT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Bangkok time conversions
- bangkok to ict
- bangkok to thailand
- bangkok to dubai
- bangkok to mumbai
- bangkok to delhi
- bangkok to bangalore
- bangkok to kathmandu
- bangkok to singapore
- bangkok to hong kong
- bangkok to shanghai
- bangkok to beijing
- bangkok to tokyo
- bangkok to osaka
- bangkok to seoul
- bangkok to new york
- bangkok to london
- bangkok to sydney
- bangkok to los angeles
- bangkok to paris
- bangkok to berlin
- bangkok to toronto
- new york to bangkok
- london to bangkok
- dubai to bangkok
- tokyo to bangkok
- singapore to bangkok
- sydney to bangkok
- los angeles to bangkok
- paris to bangkok
- delhi to bangkok
- mumbai to bangkok
- berlin to bangkok
- hong kong to bangkok
- toronto to bangkok
- kathmandu to bangkok
See every conversion from Bangkok →·See every conversion from São Paulo →