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18
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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 Honolulu vs Buenos Aires

Honolulu keeps HST (UTC−10) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 7 hours ahead of Honolulu; 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: 16:00–18:00 in Buenos Aires (09:00–11:00 your time).

Honolulu and Buenos Aires hour by hour, with the working-hour overlap shaded
City00:00 in Honolulu01:00 in Honolulu02:00 in Honolulu03:00 in Honolulu04:00 in Honolulu05:00 in Honolulu06:00 in Honolulu07:00 in Honolulu08:00 in Honolulu09:00 in Honolulu10:00 in Honolulu11:00 in Honolulu12:00 in Honolulu13:00 in Honolulu14:00 in Honolulu15:00 in Honolulu16:00 in Honolulu17:00 in Honolulu18:00 in Honolulu19:00 in Honolulu20:00 in Honolulu21:00 in Honolulu22:00 in Honolulu23:00 in Honolulu
Honolulu——000102030405060708091011121314151617181920212223
Buenos Aires——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

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

Best hours to call

09:00 in Honolulu
Inside working hours on both sides
16:00 in Buenos Aires
10:00 in Honolulu
Inside working hours on both sides
17:00 in Buenos Aires

Where daylight saving pulls them apart

Neither Honolulu 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 Honolulu?

Buenos Aires is 7 hours ahead of Honolulu right now. The gap is not fixed: it moves whenever either side changes its clocks.

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

Any hour in 09:00–11:00 Honolulu time is inside working hours in both cities.

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

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