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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 Hamhŭng vs Buenos Aires

Hamhŭng keeps KST (UTC+9) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 12 hours behind Hamhŭng; the rows below read both clocks live.

The working day, side by side

The working days do not meet. there is no working-hour overlap with Buenos Aires — the nearest workable window is 05:00–06:00 your time (17:00 there).

Hamhŭng and Buenos Aires hour by hour, with the working-hour overlap shaded
City00:00 in Hamhŭng01:00 in Hamhŭng02:00 in Hamhŭng03:00 in Hamhŭng04:00 in Hamhŭng05:00 in Hamhŭng06:00 in Hamhŭng07:00 in Hamhŭng08:00 in Hamhŭng09:00 in Hamhŭng10:00 in Hamhŭng11:00 in Hamhŭng12:00 in Hamhŭng13:00 in Hamhŭng14:00 in Hamhŭng15:00 in Hamhŭng16:00 in Hamhŭng17:00 in Hamhŭng18:00 in Hamhŭng19:00 in Hamhŭng20:00 in Hamhŭng21:00 in Hamhŭng22:00 in Hamhŭng23:00 in Hamhŭng
Hamhŭng——000102030405060708091011121314151617181920212223
Buenos Aires——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

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

Best hours to call

there is no working-hour overlap with Buenos Aires — the nearest workable window is 05:00–06:00 your time (17:00 there).

Where daylight saving pulls them apart

Neither Hamhŭng 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 Hamhŭng?

Buenos Aires is 12 hours behind Hamhŭng right now. The gap is not fixed: it moves whenever either side changes its clocks.

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

There is no hour inside working hours in both cities. 05:00–06:00 your time (17:00 there) is the cheapest compromise, and one side is taking a shoulder hour.

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

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