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Global ClockTime zone converter & meeting planner
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Working hours
Start
09
End
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 Sejong vs Mexico City

Sejong keeps KST (UTC+9) and Mexico City keeps CST (UTC−6) today. Mexico City is 15 hours behind Sejong; 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 Mexico City — the nearest workable window is 08:00–09:00 your time (17:00 there).

Sejong and Mexico City hour by hour, with the working-hour overlap shaded
City00:00 in Sejong01:00 in Sejong02:00 in Sejong03:00 in Sejong04:00 in Sejong05:00 in Sejong06:00 in Sejong07:00 in Sejong08:00 in Sejong09:00 in Sejong10:00 in Sejong11:00 in Sejong12:00 in Sejong13:00 in Sejong14:00 in Sejong15:00 in Sejong16:00 in Sejong17:00 in Sejong18:00 in Sejong19:00 in Sejong20:00 in Sejong21:00 in Sejong22:00 in Sejong23:00 in Sejong
Sejong——000102030405060708091011121314151617181920212223
Mexico City——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Sejong and Mexico City

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Sejong, Mexico City 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 Mexico City — the nearest workable window is 08:00–09:00 your time (17:00 there).

Where daylight saving pulls them apart

Neither Sejong nor Mexico City changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Mexico City of Sejong?

Mexico City is 15 hours behind Sejong right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Sejong and Mexico City?

There is no hour inside working hours in both cities. 08:00–09:00 your time (17:00 there) is the cheapest compromise, and one side is taking a shoulder hour.

Do Sejong and Mexico City change clocks on the same date?

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