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09
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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 Kaesŏng vs Guangzhou

Kaesŏng keeps KST (UTC+9) and Guangzhou keeps CST (UTC+8) today. Guangzhou is 1 hour behind Kaesŏng; 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: 09:00–17:00 in Guangzhou (10:00–18:00 your time).

Kaesŏng and Guangzhou hour by hour, with the working-hour overlap shaded
City00:00 in Kaesŏng01:00 in Kaesŏng02:00 in Kaesŏng03:00 in Kaesŏng04:00 in Kaesŏng05:00 in Kaesŏng06:00 in Kaesŏng07:00 in Kaesŏng08:00 in Kaesŏng09:00 in Kaesŏng10:00 in Kaesŏng11:00 in Kaesŏng12:00 in Kaesŏng13:00 in Kaesŏng14:00 in Kaesŏng15:00 in Kaesŏng16:00 in Kaesŏng17:00 in Kaesŏng18:00 in Kaesŏng19:00 in Kaesŏng20:00 in Kaesŏng21:00 in Kaesŏng22:00 in Kaesŏng23:00 in Kaesŏng
Kaesŏng——000102030405060708091011121314151617181920212223
Guangzhou——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Kaesŏng and Guangzhou

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

Best hours to call

10:00 in Kaesŏng
Inside working hours on both sides
09:00 in Guangzhou
11:00 in Kaesŏng
Inside working hours on both sides
10:00 in Guangzhou
12:00 in Kaesŏng
Inside working hours on both sides
11:00 in Guangzhou
13:00 in Kaesŏng
Inside working hours on both sides
12:00 in Guangzhou

Where daylight saving pulls them apart

Neither Kaesŏng nor Guangzhou changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Guangzhou of Kaesŏng?

Guangzhou is 1 hour behind Kaesŏng right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Kaesŏng and Guangzhou?

Any hour in 10:00–18:00 Kaesŏng time is inside working hours in both cities.

Do Kaesŏng and Guangzhou change clocks on the same date?

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