No overlap — one side will join outside working hours
SYDNEY (Sydney)
BRT (São Paulo)
00:00
11:00-1dWorking
01:00
12:00-1dWorking
02:00
13:00-1dWorking
03:00
14:00-1dWorking
04:00
15:00-1dWorking
05:00
16:00-1dWorking
06:00
17:00-1d
07:00
18:00-1d
08:00
19:00-1d
09:00Working
20:00-1doff
10:00Working
21:00-1doff
11:00Working
22:00-1doff
12:00Working
23:00-1doff
13:00Working
00:00off
14:00Working
01:00off
15:00Working
02:00off
16:00Working
03:00off
17:00
04:00
18:00
05:00
19:00
06:00
20:00
07:00
21:00
08:00
22:00
09:00Working
23:00
10:00Working
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between sydney and brt?
SYDNEY (Sydney) (sydney) is UTC+10 and Brasilia Time (brt) is UTC-3. The difference between them is 13 hours.
Where is sydney used?
SYDNEY (Sydney) (sydney) is used in Australia and surrounding regions. The IANA timezone identifier is Australia/Sydney.
Where is brt used?
Brasilia Time (brt) is used in Brazil and surrounding regions. The IANA timezone identifier is America/Sao_Paulo.
How do I convert sydney to brt?
Use the interactive converter above. Drag the time slider to any sydney time and the brt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
Sydney is 13 hours ahead of BRT (São Paulo). When Sydney clocks hit noon, BRT (São Paulo) reads 23:00.
Sydney runs on Australia/Sydney; BRT (São Paulo) runs on America/Sao_Paulo. Together they are 13 hours apart.
Shared working hours
There is no business hours overlap between Sydney and BRT (São Paulo) during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best times to schedule a meeting
Sydney and BRT (São Paulo) have no shared working window. These slots minimize out-of-hours disruption for both sides.
05:00 Sydney / 16:00 São Paulo⚡ One side off-hours
⚠️ 4h before working hours in Sydney
09:00 Sydney / 20:00 São Paulo⚡ One side off-hours
⚠️ 4h after working hours in São Paulo
04:00 Sydney / 15:00 São Paulo⚡ One side off-hours
⚠️ 5h before working hours in Sydney
Working hours defined as 09:00–17:00 local time for each location.
Holiday calendar for both locations
⚡ Both locations have upcoming holidays, check availability before scheduling.
Sydney7 holidays
Aug 3Picnic Day
Sep 28King's Birthday
Oct 5Labour Day
Oct 5King's Birthday
Nov 3Melbourne Cup
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
Working across Sydney and BRT (São Paulo)
A 13-hour difference separates Sydney (Australia) and BRT (São Paulo) (Brazil) — wide enough that standard business hours don't align at all. Scheduling requires deliberate compromise from both sides.
💡 Best practice for cross-timezone meetings
⚡
A 05:00 meeting in Sydney means 16:00 in BRT (São Paulo) (4h before working hours in Sydney).
⚡
A 09:00 meeting in Sydney means 20:00 in BRT (São Paulo) (4h after working hours in São Paulo).
⚡
A 04:00 meeting in Sydney means 15:00 in BRT (São Paulo) (5h before working hours in Sydney).
Since there is no natural overlap, the options above represent the most balanced compromise, minimizing out-of-hours inconvenience for both sides.
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 Sydney".
