Meeting time

Best time to meet: Boston and Rio de Janeiro

Boston is 2 hours behind Rio de Janeiro right now. Their working days overlap for 6 hours: 9 AM to 3 PM in Boston, which is 11 AM to 5 PM in Rio de Janeiro. The easiest time to meet is 11:30 AM in Boston (1:30 PM in Rio de Janeiro).

Tue 10:58 AMBoston · Eastern Standard TimeTue 12:58 PMRio de Janeiro · Brasilia Standard Time
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Hour by hour

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

BostonRio de Janeiro
6 AM8 AMBoth off
7 AM9 AMRio de Janeiro at work
8 AM10 AMRio de Janeiro at work
9 AM11 AMBoth at work
10 AM12 PMBoth at work
11 AM1 PMBoth at work
12 PM2 PMBoth at work
1 PM3 PMBoth at work
2 PM4 PMBoth at work
3 PM5 PMBoston at work
4 PM6 PMBoston at work
5 PM7 PMBoth off
6 PM8 PMBoth off
7 PM9 PMBoth off
8 PM10 PMBoth off
9 PM11 PMBoth off
10 PM12 AM next dayBoth off

When the clocks change

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

DatesBoston isBoth at work (Boston time)Easiest (Boston / Rio de Janeiro)
Now to March 14, 20272 hours behind9 AM–3 PM (6 hours)11:30 AM / 1:30 PM
March 14, 2027 to November 7, 2027
clocks in Boston go forward		1 hour behind9 AM–4 PM (7 hours)10 AM / 11 AM
November 7, 2027 onward
clocks in Boston go back		2 hours behind9 AM–3 PM (6 hours)11:30 AM / 1:30 PM

Boston keeps the same clock as New York; Rio de Janeiro keeps the same clock as São Paulo.

Questions people ask

What time is it in Rio de Janeiro when it is 9 AM in Boston?
11 AM in Rio de Janeiro, while Boston is 2 hours behind.
When is the best time for a call between Boston and Rio de Janeiro?
11:30 AM in Boston, which is 1:30 PM in Rio de Janeiro. Both cities are at work from 9 AM to 3 PM Boston time.
Does the time difference between Boston and Rio de Janeiro 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

London and Boston3 hours of shared working day · meet at 3 PM London timeSan Francisco and Boston5 hours of shared working day · meet at 10:30 AM San Francisco timeLos Angeles and Boston5 hours of shared working day · meet at 10:30 AM Los Angeles timeBangalore and BostonNo shared working hours · fairest at 6 PM Bangalore timeSingapore and BostonNo shared working hours · fairest at 7 AM Singapore timeSydney and BostonNo shared working hours · fairest at 8:30 AM Sydney timeTokyo and BostonNo shared working hours · fairest at 7:30 AM Tokyo timeBerlin and Boston2 hours of shared working day · meet at 4 PM Berlin timeParis and Boston2 hours of shared working day · meet at 4 PM Paris timeChicago and Boston7 hours of shared working day · meet at 10 AM Chicago timeDubai and BostonNo shared working hours · fairest at 5 PM Dubai timeMumbai and BostonNo shared working hours · fairest at 6 PM Mumbai time

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

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