Time Tools

Time Difference Calculator - Compare Time Between Cities

Compare the current time difference between major cities and time zones including Seoul, Tokyo, New York, Los Angeles, London, Paris, Dubai, Singapore, and Sydney.

Time Tools

Time Difference Calculator

Compare the current time difference between two cities. Useful for meetings, calls, travel, online classes, and remote work.

Current Difference

New York is 13 hours behind Seoul.

From

Seoul, South Korea

17:41:21

Tue, Apr 21, 2026

GMT+9

To

New York, United States

04:41:21

Tue, Apr 21, 2026

EDT

Poor overlap

One city may be outside normal waking hours. A different meeting time may be better.

Tip: Daylight saving time can change the difference during the year. This calculator uses the current browser time zone rules.

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How this time difference calculator works

Choose a starting city.

Choose another city to compare.

The calculator shows the current time in both cities and the difference between them.

It also gives a simple meeting overlap suggestion.

Frequently Asked Questions

Can I compare Seoul and New York time?

Yes. Choose Seoul as the first city and New York as the second city to see the current time difference.

Does this handle daylight saving time?

The displayed time uses browser international time zone formatting, so daylight saving time is handled automatically when supported.

Can I use this for meeting planning?

Yes. The tool includes a simple overlap note to help decide whether the current time is suitable for meetings or calls.