Bangkok to BRT
-10hBangkok
ICTSOURCEBRT
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 BRT
Bangkok runs on Indochina Time (ICT) at UTC+07:00. BRT runs on Brasilia Time (BRT) at UTC-03:00. That puts Bangkok 10 hours behind BRT — a difference of -10h at the current offsets.
In practice, when it is 9:00 AM in Bangkok it is 11:00 PM in BRT on the previous day. Midnight in Bangkok is 2:00 PM in BRT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Bangkok to BRT time conversion table
| Bangkok (ICT) | BRT (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 BRT time
- Scheduling a call from Bangkok to BRT: a 10:00 AM start in Bangkok lands at 12:00 AM in BRT, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -10h gap: Bangkok and BRT 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 BRT is 11:00 PM in Bangkok.
- Booking travel or deliveries: tracking BRT local time against Bangkok keeps pickup windows and arrival estimates honest across the -10h offset.
- 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 BRT 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 BRT
With a -10h offset there is no overlap inside a normal 9 AM – 5 PM day. BRT 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 BRT 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 BRT (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 BRT?
Bangkok (ICT, UTC+07:00) is 10 hours behind BRT (BRT, UTC-03:00). The gap is currently -10h.
How do I convert Bangkok time to BRT time?
Add -10h to Bangkok local time. For example, 9:00 AM in Bangkok is 11:00 PM in BRT (previous day).
What time is it in BRT right now?
BRT 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 BRT 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 BRT.
Which is behind, Bangkok or BRT?
Bangkok is 10 hours behind BRT. When it is 12:00 PM in Bangkok it is 2:00 AM in BRT.
Do Bangkok and BRT use different time zones?
Bangkok (Thailand) uses ICT at UTC+07:00, while BRT uses BRT at UTC-03:00. The IANA identifiers are Asia/Bangkok and America/Sao_Paulo.
Does daylight saving time affect the Bangkok–BRT difference?
Neither zone observes daylight saving time, so the -10h offset between Bangkok and BRT 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 BRT?
Not normally. The -10h gap only pushes the date over the previous day.
What is the time difference between Bangkok and BRT?
BRT 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 BRT in?
BRT 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 BRT?
When it is 12:00 AM (midnight) in Bangkok (ICT), it is -10h later in BRT (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 BRT →