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.
Client-Side & Privacy-First:
Your data and files are never sent to any server. Everything is
processed safely within your browser.
JSTAsia/Tokyo
2026-09-10 00:56:00(Thu)
UTCUTC
2026-09-09 15:56:00(Wed)
ESTAmerica/New_York
2026-09-09 11:56:00(Wed)
PSTAmerica/Los_Angeles
2026-09-09 08:56:00(Wed)
CETEurope/Paris
2026-09-09 17:56:00(Wed)
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.
See also: Unix Timestamp Converter · Datetime Calculator
How to Use
- Enter the date and time you want to convert
- The timezone list updates automatically
- Add or remove timezones to customize
- 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