Convert Seoul time to New York time

Hour by hour

The whole day mapped across: read down the left for Seoul, across for New York.

Daylight saving time

Seoul keeps one offset all year while New York moves twice. That is the whole reason this difference is seasonal.

When you can actually talk

There is no hour where both cities are inside a 09:00–18:00 working day. Someone has to move — the nearest workable windows are below.

• Seoul 09:00–18:00New York 20:00–05:00
• Seoul 22:00–07:00New York 09:00–18:00

Reference

The underlying data, in case you need to put it in a calendar invitation or a configuration file.

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Seoul and New York?

New York is 13 hours behind Seoul. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call New York from Seoul?

There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.

Does Seoul observe daylight saving time?

No. Seoul stays on UTC+9 all year, so its clocks never move.

Does New York observe daylight saving time?

Yes. New York runs on UTC-5 in winter and UTC-4 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

If it is midday in Seoul, what time is it in New York?

It is 23:00 in New York, still on the previous day. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Seoul and New York use?

Seoul uses Asia/Seoul, currently UTC+9, and New York uses America/New_York, currently UTC-4 (EDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.