No overlap — one side will join outside working hours
BRT (São Paulo)
SYDNEY (Sydney)
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 sydney?
Brasilia Time (brt) is UTC-3 and SYDNEY (Sydney) (sydney) 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 sydney used?
SYDNEY (Sydney) (sydney) is used in Australia and surrounding regions. The IANA timezone identifier is Australia/Sydney.
How do I convert brt to sydney?
Use the interactive converter above. Drag the time slider to any brt time and the sydney equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
BRT (São Paulo) is 13 hours behind Sydney. Midday in BRT (São Paulo) lines up with 01:00 in Sydney.
BRT (São Paulo) observes America/Sao_Paulo and Sydney observes Australia/Sydney — a 13 hours gap between them.
Working hours overlap
When BRT (São Paulo) is in standard working hours, Sydney is not — and vice versa. There is no mutual business window between these two locations.
Optimal meeting slots
No business hours overlap exists between BRT (São Paulo) and Sydney. Showing the most balanced options with minimal inconvenience for both locations.
16:00 São Paulo / 05:00 Sydney⚡ One side off-hours
⚠️ 4h before working hours in Sydney
20:00 São Paulo / 09:00 Sydney⚡ One side off-hours
⚠️ 4h after working hours in São Paulo
15:00 São Paulo / 04:00 Sydney⚡ One side off-hours
⚠️ 5h before working hours in Sydney
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Upcoming public holidays
⚡ Watch out — upcoming holidays on both sides. Verify availability in advance.
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
Sydney7 holidays
Aug 3Picnic Day
Sep 28King's Birthday
Oct 5Labour Day
Oct 5King's Birthday
Nov 3Melbourne Cup
How to work with BRT (São Paulo) and Sydney time zones
Working across BRT (São Paulo) (Brazil) and Sydney (Australia) is a challenge — the 13-hour difference means no shared business hours window under a standard schedule. Flexibility from at least one side is required.
💡 How to schedule across these time zones
⚡
16:00–17:00 in BRT (São Paulo) corresponds to 05:00–06:00 in Sydney (4h before working hours in Sydney).
⚡
20:00–21:00 in BRT (São Paulo) corresponds to 09:00–10:00 in Sydney (4h after working hours in São Paulo).
⚡
15:00–16:00 in BRT (São Paulo) corresponds to 04:00–05:00 in Sydney (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.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Drag the slider at the top to convert any BRT (São Paulo) time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
