World Time Converter

Convert a date and time between time zones like Seoul, Tokyo, London and New York, with UTC offsets and daylight saving time. Free online world clock.

About this tool

Convert a date and time between time zones. It starts from your computer's current time and zone and shows the same moment in major cities with UTC offsets and differences.

How to use

Adjust the date and time, or click Now.
Pick the base time zone the time is in.
Read the time in each zone, and add or remove zones as needed.

Frequently asked questions

Is daylight saving time handled?

Yes. Offsets come from the browser's time zone database for the selected date, so DST changes are reflected.

What happens to times that do not exist?

During a DST jump forward (for example 02:30 in New York on the change day) the time is moved forward, as most systems do.

Does my zone list persist?

Yes. The list of zones is saved in your browser and restored next time.

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