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Global ClockTime zone converter & meeting planner
SETTINGS
Clock
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 Changwon vs Shanghai

Changwon keeps KST (UTC+9) and Shanghai keeps CST (UTC+8) today. Shanghai is 1 hour behind Changwon; 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 Shanghai (10:00–18:00 your time).

Changwon and Shanghai hour by hour, with the working-hour overlap shaded
City00:00 in Changwon01:00 in Changwon02:00 in Changwon03:00 in Changwon04:00 in Changwon05:00 in Changwon06:00 in Changwon07:00 in Changwon08:00 in Changwon09:00 in Changwon10:00 in Changwon11:00 in Changwon12:00 in Changwon13:00 in Changwon14:00 in Changwon15:00 in Changwon16:00 in Changwon17:00 in Changwon18:00 in Changwon19:00 in Changwon20:00 in Changwon21:00 in Changwon22:00 in Changwon23:00 in Changwon
Changwon——000102030405060708091011121314151617181920212223
Shanghai——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Changwon and Shanghai

Best hours to call

10:00 in Changwon
Inside working hours on both sides
09:00 in Shanghai
11:00 in Changwon
Inside working hours on both sides
10:00 in Shanghai
12:00 in Changwon
Inside working hours on both sides
11:00 in Shanghai
13:00 in Changwon
Inside working hours on both sides
12:00 in Shanghai

Where daylight saving pulls them apart

Neither Changwon nor Shanghai changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Shanghai of Changwon?

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

What is the best time to call between Changwon and Shanghai?

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

Do Changwon and Shanghai change clocks on the same date?

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