Meeting time

Best time to meet: Rio de Janeiro and Adelaide

Rio de Janeiro is 13 hours 30 minutes behind Adelaide right now, so their working days do not overlap. The time that asks least of both is 6 PM in Rio de Janeiro, which is 7:30 AM in Adelaide — one of you starts early or stays late.

Tue 12:57 PMRio de Janeiro · Brasilia Standard TimeWed 2:27 AMAdelaide · Australian Central Daylight Time
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Hour by hour

With the clocks as they are on November 10, 2026, Rio de Janeiro time on the left. A working day here is 9 AM to 5 PM.

Rio de JaneiroAdelaide
6 AM7:30 PMBoth off
7 AM8:30 PMBoth off
8 AM9:30 PMBoth off
9 AM10:30 PMRio de Janeiro at work
10 AM11:30 PMRio de Janeiro at work
11 AM12:30 AM next dayRio de Janeiro at work
12 PM1:30 AM next dayRio de Janeiro at work
1 PM2:30 AM next dayRio de Janeiro at work
2 PM3:30 AM next dayRio de Janeiro at work
3 PM4:30 AM next dayRio de Janeiro at work
4 PM5:30 AM next dayRio de Janeiro at work
5 PM6:30 AM next dayBoth off
6 PM7:30 AM next dayEasiest time
7 PM8:30 AM next dayBoth off
8 PM9:30 AM next dayAdelaide at work
9 PM10:30 AM next dayAdelaide at work
10 PM11:30 AM next dayAdelaide at work

When the clocks change

The gap moves when either city changes its clocks. The next twelve months:

DatesRio de Janeiro isBoth at work (Rio de Janeiro time)Easiest (Rio de Janeiro / Adelaide)
Now to April 4, 202713 hours 30 minutes behindNone6 PM / 7:30 AM
April 4, 2027 to October 3, 2027
clocks in Adelaide go back		12 hours 30 minutes behindNone6:30 PM / 7 AM
October 3, 2027 onward
clocks in Adelaide go forward		13 hours 30 minutes behindNone6 PM / 7:30 AM

Rio de Janeiro keeps the same clock as São Paulo.

Questions people ask

What time is it in Adelaide when it is 9 AM in Rio de Janeiro?
10:30 PM in Adelaide, while Rio de Janeiro is 13 hours 30 minutes behind.
When is the best time for a call between Rio de Janeiro and Adelaide?
6 PM in Rio de Janeiro, which is 7:30 AM in Adelaide. Their working days do not overlap, so this is the fairest time for both.
Does the time difference between Rio de Janeiro and Adelaide change during the year?
Yes — it changes 2 times in the next twelve months, when the clocks go forward or back; the dates are in the table above.

More cities

New York and Rio de Janeiro6 hours of shared working day · meet at 11:30 AM New York timeLondon and Rio de Janeiro5 hours of shared working day · meet at 1:30 PM London timeSan Francisco and Rio de Janeiro3 hours of shared working day · meet at 10 AM San Francisco timeLos Angeles and Rio de Janeiro3 hours of shared working day · meet at 10 AM Los Angeles timeBangalore and Rio de JaneiroNo shared working hours · fairest at 5 PM Bangalore timeSingapore and Rio de JaneiroNo shared working hours · fairest at 6 PM Singapore timeSydney and Rio de JaneiroNo shared working hours · fairest at 7:30 AM Sydney timeTokyo and Rio de JaneiroNo shared working hours · fairest at 6:30 AM Tokyo timeBerlin and Rio de Janeiro4 hours of shared working day · meet at 2 PM Berlin timeParis and Rio de Janeiro4 hours of shared working day · meet at 2 PM Paris timeToronto and Rio de Janeiro6 hours of shared working day · meet at 11:30 AM Toronto timeChicago and Rio de Janeiro5 hours of shared working day · meet at 10:30 AM Chicago time

Every city from Rio de Janeiro · Every city from Adelaide · All cities · Plan across more than two cities

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