No overlap — one side will join outside working hours
BRT (São Paulo)
AEST (Brisbane)
00:00
13:00Working
01:00
14:00Working
02:00
15:00Working
03:00
16:00Working
04:00
17:00
05:00
18:00
06:00
19:00
07:00
20:00
08:00
21:00
09:00Working
22:00off
10:00Working
23:00off
11:00Working
00:00+1doff
12:00Working
01:00+1doff
13:00Working
02:00+1doff
14:00Working
03:00+1doff
15:00Working
04:00+1doff
16:00Working
05:00+1doff
17:00
06:00+1d
18:00
07:00+1d
19:00
08:00+1d
20:00
09:00+1dWorking
21:00
10:00+1dWorking
22:00
11:00+1dWorking
23:00
12:00+1dWorking
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between brt and aest?
Brasilia Time (brt) is UTC-3 and Australian Eastern Standard Time (aest) is UTC+10. The difference between them is 13 hours.
Where is brt used?
Brasilia Time (brt) is used in Brazil and surrounding regions. The IANA timezone identifier is America/Sao_Paulo.
Where is aest used?
Australian Eastern Standard Time (aest) is used in Australia and surrounding regions. The IANA timezone identifier is Australia/Brisbane.
How do I convert brt to aest?
Use the interactive converter above. Drag the time slider to any brt time and the aest equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
Time difference: BRT (São Paulo) and AEST (Brisbane)
BRT (São Paulo) is 13 hours behind AEST (Brisbane). When it's noon in BRT (São Paulo), it's 01:00 in AEST (Brisbane).
BRT (São Paulo) runs on America/Sao_Paulo; AEST (Brisbane) runs on Australia/Brisbane. Together they are 13 hours apart.
Business hours comparison
There is no business hours overlap between BRT (São Paulo) and AEST (Brisbane) during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best call times between these locations
BRT (São Paulo) and AEST (Brisbane) have no shared working window. These slots minimize out-of-hours disruption for both sides.
16:00 São Paulo / 05:00 Brisbane⚡ One side off-hours
⚠️ 4h before working hours in Brisbane
20:00 São Paulo / 09:00 Brisbane⚡ One side off-hours
⚠️ 4h after working hours in São Paulo
15:00 São Paulo / 04:00 Brisbane⚡ One side off-hours
⚠️ 5h before working hours in Brisbane
Working hours defined as 09:00–17:00 local time for each location.
Public holidays this year
⚡ Upcoming holidays in both locations, confirm with your contact before booking.
BRT (São Paulo)7 holidays
Jul 9Constitutionalist Revolution of 1932
Sep 7Independence Day
Oct 12Our Lady of Aparecida
Nov 2All Souls' Day
Nov 15Republic Proclamation Day
AEST (Brisbane)8 holidays
Jun 8King's BirthdayTODAY
Aug 3Picnic Day
Sep 28King's Birthday
Oct 5Labour Day
Oct 5King's Birthday
BRT (São Paulo) and AEST (Brisbane) — practical scheduling
Teams in BRT (São Paulo) (Brazil) and AEST (Brisbane) (Australia) deal with a 13-hour gap that pushes their working days apart. Real-time meetings always require someone to stretch outside the standard 9–5.
💡 Practical scheduling guidelines
⚡
A 16:00 meeting in BRT (São Paulo) means 05:00 in AEST (Brisbane) (4h before working hours in Brisbane).
⚡
A 20:00 meeting in BRT (São Paulo) means 09:00 in AEST (Brisbane) (4h after working hours in São Paulo).
⚡
A 15:00 meeting in BRT (São Paulo) means 04:00 in AEST (Brisbane) (5h before working hours in Brisbane).
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am BRT (São Paulo)".
