AEST to BRT
-13hAEST
AESTSOURCEBRT
BRTGreen rows indicate typical business hours (9 AM - 5 PM)
AEST and BRT on the World Map
The map below highlights the AEST (Australian Eastern Standard Time) and BRT (Brasilia Time) timezone regions across the globe.
AEST – Australian Eastern Standard Time
UTC+10:00Australian Eastern Standard Time (AEST) covers eastern Australia, 10 hours ahead of UTC.
- •Queensland does not observe daylight saving time, staying on AEST year-round.
- •Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
- •The Australian Securities Exchange (ASX) operates on AEST/AEDT.
- •AEST is 15 hours ahead of EST during winter.
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.
Everything You Need to Know About AEST and BRT Time
AEST runs on Australian Eastern Standard Time (AEST) at UTC+10:00. BRT runs on Brasilia Time (BRT) at UTC-03:00. That puts AEST 13 hours behind BRT — a difference of -13h at the current offsets.
In practice, when it is 9:00 AM in AEST it is 8:00 PM in BRT on the previous day. Midnight in AEST is 11:00 AM in BRT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
AEST to BRT time conversion table
| AEST (AEST) | BRT (BRT) | Day |
|---|---|---|
| 12:00 AM | 11:00 AM | previous day |
| 6:00 AM | 5:00 PM | previous day |
| 7:00 AM | 6:00 PM | previous day |
| 8:00 AM | 7:00 PM | previous day |
| 9:00 AM | 8:00 PM | previous day |
| 12:00 PM | 11:00 PM | previous day |
| 3:00 PM | 2:00 AM | same day |
| 5:00 PM | 4:00 AM | same day |
| 6:00 PM | 5:00 AM | same day |
| 9:00 PM | 8:00 AM | same day |
Why people convert AEST to BRT time
- Scheduling a call from AEST to BRT: a 10:00 AM start in AEST lands at 9:00 PM in BRT the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -13h gap: AEST 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 8:00 PM in AEST.
- Coordinating a AEST-based team with BRT 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 AEST" is unambiguous; "3 PM" across a -13h gap is not.
- With a -13h gap there is no shared 9-to-5 window, so alternate the early start: one week AEST takes the early slot, the next week BRT does.
About AEST (Australian Eastern Standard Time)
Australian Eastern Standard Time (AEST) is used in the eastern states of Australia including New South Wales, Victoria, Queensland, Tasmania, and the ACT. During summer (October to April), NSW, VIC, TAS, and ACT switch to Australian Eastern Daylight Time (AEDT, UTC+11:00), while Queensland remains on AEST year-round.
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 AEST and BRT
With a -13h offset there is no overlap inside a normal 9 AM – 5 PM day. BRT opens at 9:00 AM BRT, which is 8:00 PM in AEST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
AEST and BRT have no shared working hours because of the -13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
AEST is 13 hours behind BRT (AEST UTC+10:00 → 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.
🕐 Daylight Saving Time Info
AEST
❄ Currently in Standard Time
Standard: UTC+10:00 · DST: UTC+11:00
Clocks spring forward on Sat, Oct 3, 2026
BRT
Does not observe DST
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 AEST and BRT?
AEST (AEST, UTC+10:00) is 13 hours behind BRT (BRT, UTC-03:00). The gap is currently -13h.
How do I convert AEST time to BRT time?
Add -13h to AEST local time. For example, 9:00 AM in AEST is 8:00 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 -13h offset from AEST.
What is the best time to call BRT from AEST?
There is no shared working-hours window because of the -13h gap. The closest option is 1:00 PM in AEST, which is 12:00 AM in BRT.
Which is behind, AEST or BRT?
AEST is 13 hours behind BRT. When it is 12:00 PM in AEST it is 11:00 PM in BRT.
Does daylight saving time affect the AEST–BRT difference?
Neither zone observes daylight saving time, so the -13h offset between AEST and BRT is fixed all year.
Which other cities share AEST's time zone?
AEST also covers Sydney, Melbourne, Brisbane, Canberra, Hobart, Gold Coast.
Which countries use AEST, AEST's zone?
AEST is used in Australia (NSW, VIC, QLD, TAS, ACT), Papua New Guinea.
Is there a day difference between AEST and BRT?
Sometimes. The -13h gap is large enough that 8:00 PM or later in AEST already falls on the in BRT.
What is the time difference between AEST and BRT?
BRT is -13h from AEST.
What timezone is AEST in?
AEST operates on its local timezone.
What timezone is BRT in?
BRT operates on its local timezone.
Which countries use AEST (Australian Eastern Standard Time)?
AEST is used in Australia (NSW, VIC, QLD, TAS, ACT), Papua New Guinea.
Does AEST observe daylight saving time?
Yes, AEST switches to AEDT during summer months.
What are some interesting facts about AEST?
Queensland does not observe daylight saving time, staying on AEST year-round. Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
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 AEST, what time is it in BRT?
When it is 12:00 AM (midnight) in AEST (AEST), it is -13h later in BRT (BRT).
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See every conversion from AEST →·See every conversion from BRT →