What is the time difference between Seongnam and London?

Seongnam and London are in the same time zone offset, so there is no time difference between them.

When is the best time to schedule a meeting between Seongnam and London?

There are 9 overlapping business hours (9 AM–6 PM) between Seongnam and London. Scheduling during those hours ensures both parties are in their working day.

Is London ahead or behind Seongnam?

London is at the same time as Seongnam — both share the GMT+9 UTC offset.

What UTC offset does Seongnam use?

Seongnam uses the Asia/Seoul time zone, which is currently at GMT+9.

What UTC offset does London use?

London uses the Europe/London time zone, which is currently at GMT.

Does Daylight Saving Time affect the time difference between Seongnam and London?

The time difference shown is live and already accounts for any Daylight Saving Time (DST) currently in effect in either city. If one city observes DST while the other does not, the difference can change by up to 1 hour during DST transitions — typically in spring and autumn.

What is the time difference between Seongnam and London?

Seongnam and London are in the same time zone offset, so there is no time difference between them.

When is the best time to schedule a meeting between Seongnam and London?

There are 9 overlapping business hours (9 AM–6 PM) between Seongnam and London. Scheduling during those hours ensures both parties are in their working day.

Is London ahead or behind Seongnam?

London is at the same time as Seongnam — both share the GMT+9 UTC offset.

What UTC offset does Seongnam use?

Seongnam uses the Asia/Seoul time zone, which is currently at GMT+9.

What UTC offset does London use?

London uses the Europe/London time zone, which is currently at GMT.

Does Daylight Saving Time affect the time difference between Seongnam and London?

The time difference shown is live and already accounts for any Daylight Saving Time (DST) currently in effect in either city. If one city observes DST while the other does not, the difference can change by up to 1 hour during DST transitions — typically in spring and autumn.

Time Difference: Seongnam vs London

Seongnam (GMT+9) · London (GMT)

Seongnam

GMT+9

--:--:--

London

GMT

--:--:--

London and Seongnam are in the same UTC offset

Time Difference

Seongnam Offset

GMT+9

Asia/Seoul

London Offset

GMT

Europe/London

Summary

Seongnam and London share the same UTC offset

Business Hours Overlap (9 AM – 6 PM)

9 hours overlap during standard business hours in both cities.

Seongnam	London	Overlap
9 AM	9 AM	Business hours
10 AM	10 AM	Business hours
11 AM	11 AM	Business hours
12 PM	12 PM	Business hours
1 PM	1 PM	Business hours
2 PM	2 PM	Business hours
3 PM	3 PM	Business hours
4 PM	4 PM	Business hours
5 PM	5 PM	Business hours
6 PM	6 PM	Outside

Frequently Asked Questions

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Compare other cities with London

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