Timezone Converter - World Time Display and Conversion

Display and convert times across multiple timezones simultaneously. Supports JST, UTC, EST, PST, CET, and more. Add or remove timezones freely.

JSTAsia/Tokyo2026-03-03 01:08:00(Tue)
UTCUTC2026-03-02 16:08:00(Mon)
ESTAmerica/New_York2026-03-02 11:08:00(Mon)
PSTAmerica/Los_Angeles2026-03-02 08:08:00(Mon)
CETEurope/Paris2026-03-02 17:08:00(Mon)

What is Timezone Converter?

A timezone converter that shows what time a specific date and time is in various locations around the world. Uses the browser's built-in Intl.DateTimeFormat API without external libraries.

How to Use

  1. Enter the date and time you want to convert
  2. The timezone list updates automatically
  3. Add or remove timezones to customize
  4. Click any timezone to copy its time

FAQ

What timezones are supported?
All IANA time zones supported by your browser are available.
Is Daylight Saving Time (DST) handled?
Yes. The Intl.DateTimeFormat API automatically handles DST.
Can multiple timezones be compared at once?
Yes. By selecting multiple timezones, you can compare the same point in time as local time in each region.
Is my data sent to a server?
No. All conversion processing is done in the browser. Your date/time data is never sent externally.
Can past or future date/time conversions be done?
Yes. By entering any date and time, you can convert to any timezone regardless of whether it's past, present, or future.

Related Tools

Update History

Last Updated: 2026-02-20

  • 2026-02-20 Initial release