BRT to ICT
+10hBRT
BRTSOURCEICT
ICTGreen rows indicate typical business hours (9 AM - 5 PM)
BRT and ICT on the World Map
The map below highlights the BRT (Brasilia Time) and ICT (Indochina 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.
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.
Understanding the +10h Gap: BRT vs ICT
BRT runs on Brasilia Time (BRT) at UTC-03:00. ICT runs on Indochina Time (ICT) at UTC+07:00. That puts BRT 10 hours ahead of ICT — a difference of +10h at the current offsets.
In practice, when it is 9:00 AM in BRT it is 7:00 PM in ICT. Midnight in BRT is 10:00 AM in ICT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
BRT to ICT time conversion table
| BRT (BRT) | ICT (ICT) | Day |
|---|---|---|
| 12:00 AM | 10:00 AM | same day |
| 6:00 AM | 4:00 PM | same day |
| 7:00 AM | 5:00 PM | same day |
| 8:00 AM | 6:00 PM | same day |
| 9:00 AM | 7:00 PM | same day |
| 12:00 PM | 10:00 PM | same day |
| 3:00 PM | 1:00 AM | next day |
| 5:00 PM | 3:00 AM | next day |
| 6:00 PM | 4:00 AM | next day |
| 9:00 PM | 7:00 AM | next day |
Why people convert BRT to ICT time
- Scheduling a call from BRT to ICT: a 10:00 AM start in BRT lands at 8:00 PM in ICT, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +10h gap: BRT and ICT 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 ICT is 7:00 PM in BRT.
- Booking travel or deliveries: tracking ICT local time against BRT keeps pickup windows and arrival estimates honest across the +10h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM BRT" 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 BRT takes the early slot, the next week ICT does.
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 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.
Best time to call between BRT and ICT
With a +10h offset there is no overlap inside a normal 9 AM – 5 PM day. ICT opens at 9:00 AM ICT, which is 7:00 PM in BRT, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
BRT and ICT have no shared working hours because of the +10h gap. Teams need to alternate early starts or rely on asynchronous handovers.
BRT is 10 hours ahead of ICT (BRT UTC-03:00 → ICT UTC+07:00). 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 BRT and ICT?
BRT (BRT, UTC-03:00) is 10 hours ahead of ICT (ICT, UTC+07:00). The gap is currently +10h.
How do I convert BRT time to ICT time?
Add +10h to BRT local time. For example, 9:00 AM in BRT is 7:00 PM in ICT.
What time is it in ICT right now?
ICT uses ICT at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +10h offset from BRT.
What is the best time to call ICT from BRT?
There is no shared working-hours window because of the +10h gap. The closest option is 1:00 PM in BRT, which is 11:00 PM in ICT.
Which is ahead, BRT or ICT?
BRT is 10 hours ahead of ICT. When it is 12:00 PM in BRT it is 10:00 PM in ICT.
Does daylight saving time affect the BRT–ICT difference?
Neither zone observes daylight saving time, so the +10h offset between BRT and ICT is fixed all year.
Which other cities share BRT's time zone?
BRT also covers São Paulo, Rio de Janeiro, Brasília, Belo Horizonte, Salvador, Fortaleza, Recife, Curitiba.
Which countries use BRT, BRT's zone?
BRT is used in Brazil (eastern).
Is there a day difference between BRT and ICT?
Not normally. The +10h gap only pushes the date over for late-evening times.
What is the time difference between BRT and ICT?
ICT is +10h from BRT.
What timezone is BRT in?
BRT operates on its local timezone.
What timezone is ICT in?
ICT 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 ICT timezone?
Major cities in the ICT timezone include Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
What is the UTC offset for ICT?
Indochina Time (ICT) is at UTC+07:00.
What should I know about the ICT timezone?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
When is it midnight in BRT, what time is it in ICT?
When it is 12:00 AM (midnight) in BRT (BRT), it is +10h later in ICT (ICT).
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See every conversion from BRT →·See every conversion from ICT →