Jakarta to Brazil
-10hJakarta
WIBSOURCEBrazil
BRTGreen rows indicate typical business hours (9 AM - 5 PM)
WIB and BRT on the World Map
The map below highlights the WIB (Western Indonesia Time) and BRT (Brasilia Time) timezone regions across the globe.
WIB – Western Indonesia Time
UTC+07:00Western Indonesia Time (WIB, UTC+07:00) covers Java, Sumatra and West Kalimantan, including Jakarta.
- •Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00).
- •Indonesia has not observed daylight saving time since 1964.
- •Jakarta is the largest city in Southeast Asia by population.
- •WIB shares the UTC+07:00 offset with Indochina Time.
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 Jakarta
WikipediaJakarta operates on Western Indonesia Time (WIB), UTC+7. As Southeast Asia's largest economy, Jakarta's IDX is a key emerging market exchange.
Indonesia has 3 time zones; Jakarta uses Western Indonesia Time (WIB).
Understanding the -10h Gap: Jakarta vs Brazil
Jakarta runs on Western Indonesia Time (WIB) at UTC+07:00. Brazil runs on Brasilia Standard Time (BRT) at UTC-03:00. That puts Jakarta 10 hours behind Brazil — a difference of -10h at the current offsets.
In practice, when it is 9:00 AM in Jakarta it is 11:00 PM in Brazil on the previous day. Midnight in Jakarta is 2:00 PM in Brazil. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Jakarta to Brazil time conversion table
| Jakarta (WIB) | 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 Jakarta to Brazil time
- Scheduling a call from Jakarta to Brazil: a 10:00 AM start in Jakarta lands at 12:00 AM in Brazil, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -10h gap: Jakarta 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 Jakarta.
- Coordinating a Jakarta-based team with Brazil contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM WIB" 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 Jakarta takes the early slot, the next week Brazil does.
About WIB (Western Indonesia Time)
Western Indonesia Time (WIB, Waktu Indonesia Barat) is one of Indonesia's three time zones, fixed at UTC+07:00 all year. It covers Java, Sumatra, West Kalimantan and the provinces around them — home to Jakarta, the country's capital and largest city, plus Surabaya and Bandung. Indonesia does not observe daylight saving time, so WIB never shifts. WIB shares its UTC+07:00 offset with Indochina Time (ICT) and Christmas Island Time, but is a distinct zone covering the western half of the Indonesian archipelago. The country's other zones are WITA (UTC+08:00) in the centre and WIT (UTC+09:00) in the east.
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 Jakarta 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 Jakarta, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Jakarta and Brazil have no shared working hours because of the -10h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Jakarta is 10 hours behind Brazil (WIB 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 Jakarta and Brazil?
Jakarta (WIB, UTC+07:00) is 10 hours behind Brazil (BRT, UTC-03:00). The gap is currently -10h.
How do I convert Jakarta time to Brazil time?
Add -10h to Jakarta local time. For example, 9:00 AM in Jakarta 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 Jakarta.
What is the best time to call Brazil from Jakarta?
There is no shared working-hours window because of the -10h gap. The closest option is 1:00 PM in Jakarta, which is 3:00 AM in Brazil.
Which is behind, Jakarta or Brazil?
Jakarta is 10 hours behind Brazil. When it is 12:00 PM in Jakarta it is 2:00 AM in Brazil.
Do Jakarta and Brazil use different time zones?
Jakarta (Indonesia) uses WIB at UTC+07:00, while Brazil (Brazil) uses BRT at UTC-03:00. The IANA identifiers are Asia/Jakarta and America/Sao_Paulo.
Does daylight saving time affect the Jakarta–Brazil difference?
Neither zone observes daylight saving time, so the -10h offset between Jakarta and Brazil is fixed all year.
Which other cities share Jakarta's time zone?
WIB also covers Jakarta, Surabaya, Bandung, Medan, Palembang.
Which countries use WIB, Jakarta's zone?
WIB is used in Indonesia (Java, Sumatra, West Kalimantan).
Is there a day difference between Jakarta and Brazil?
Not normally. The -10h gap only pushes the date over the previous day.
What is the time difference between Jakarta and Brazil?
Brazil is -10h from Jakarta.
What timezone is Jakarta in?
Jakarta operates on Western Indonesia Time (WIB), UTC+7. As Southeast Asia's largest economy, Jakarta's IDX is a key emerging market exchange.
What timezone is Brazil in?
Brazil operates on its local timezone.
What are the business hours in Jakarta?
Standard business hours in Jakarta are 8:00 AM - 5:00 PM WIB.
Which countries use WIB (Western Indonesia Time)?
WIB is used in Indonesia (Java, Sumatra, West Kalimantan).
Does WIB observe daylight saving time?
No, WIB does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting facts about WIB?
Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00). Indonesia has not observed daylight saving time since 1964.
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 Jakarta, what time is it in Brazil?
When it is 12:00 AM (midnight) in Jakarta (WIB), it is -10h later in Brazil (BRT).
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