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Global ClockTime zone converter & meeting planner
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Working hours
Start
09
End
18
Theme

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

Time in Reykjavík vs Buenos Aires

Reykjavík keeps GMT (UTC+0) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 3 hours behind Reykjavík; 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: 09:00–15:00 in Buenos Aires (12:00–18:00 your time).

Reykjavík and Buenos Aires hour by hour, with the working-hour overlap shaded
City00:00 in Reykjavík01:00 in Reykjavík02:00 in Reykjavík03:00 in Reykjavík04:00 in Reykjavík05:00 in Reykjavík06:00 in Reykjavík07:00 in Reykjavík08:00 in Reykjavík09:00 in Reykjavík10:00 in Reykjavík11:00 in Reykjavík12:00 in Reykjavík13:00 in Reykjavík14:00 in Reykjavík15:00 in Reykjavík16:00 in Reykjavík17:00 in Reykjavík18:00 in Reykjavík19:00 in Reykjavík20:00 in Reykjavík21:00 in Reykjavík22:00 in Reykjavík23:00 in Reykjavík
Reykjavík——000102030405060708091011121314151617181920212223
Buenos Aires——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Reykjavík 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 Reykjavík, Buenos Aires and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

12:00 in Reykjavík
Inside working hours on both sides
09:00 in Buenos Aires
13:00 in Reykjavík
Inside working hours on both sides
10:00 in Buenos Aires
14:00 in Reykjavík
Inside working hours on both sides
11:00 in Buenos Aires
15:00 in Reykjavík
Inside working hours on both sides
12:00 in Buenos Aires

Where daylight saving pulls them apart

Neither Reykjavík 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 Reykjavík?

Buenos Aires is 3 hours behind Reykjavík right now. The gap is not fixed: it moves whenever either side changes its clocks.

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

Any hour in 12:00–18:00 Reykjavík time is inside working hours in both cities.

Do Reykjavík and Buenos Aires change clocks on the same date?

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