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AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Porto Velho vs Buenos Aires

Porto Velho keeps UTC−4 (UTC−4) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 1 hour ahead of Porto Velho; the rows below read both clocks live.

The working day, side by side

Hours shaded in both rows are inside working hours in both cities: 10:00–18:00 in Buenos Aires (09:00–17:00 your time).

Porto Velho and Buenos Aires hour by hour, with the working-hour overlap shaded
City00:00 in Porto Velho01:00 in Porto Velho02:00 in Porto Velho03:00 in Porto Velho04:00 in Porto Velho05:00 in Porto Velho06:00 in Porto Velho07:00 in Porto Velho08:00 in Porto Velho09:00 in Porto Velho10:00 in Porto Velho11:00 in Porto Velho12:00 in Porto Velho13:00 in Porto Velho14:00 in Porto Velho15:00 in Porto Velho16:00 in Porto Velho17:00 in Porto Velho18:00 in Porto Velho19:00 in Porto Velho20:00 in Porto Velho21:00 in Porto Velho22:00 in Porto Velho23:00 in Porto Velho
Porto Velho——000102030405060708091011121314151617181920212223
Buenos Aires——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Porto Velho and Buenos Aires

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Porto Velho, Buenos Aires and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

09:00 in Porto Velho
Inside working hours on both sides
10:00 in Buenos Aires
10:00 in Porto Velho
Inside working hours on both sides
11:00 in Buenos Aires
11:00 in Porto Velho
Inside working hours on both sides
12:00 in Buenos Aires
12:00 in Porto Velho
Inside working hours on both sides
13:00 in Buenos Aires

Where daylight saving pulls them apart

Neither Porto Velho nor Buenos Aires changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Buenos Aires of Porto Velho?

Buenos Aires is 1 hour ahead of Porto Velho right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Porto Velho and Buenos Aires?

Any hour in 09:00–17:00 Porto Velho time is inside working hours in both cities.

Do Porto Velho and Buenos Aires change clocks on the same date?

Neither city changes its clocks, so the gap between them never moves.