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Timezone Name Converter
Turn a time zone abbreviation into an IANA zone name and see the offset and the current clock time in that zone.
Convert a time zone name
Zone: —
UTC offset: —
Long name: —
Current time there: —
Your time: —
—
How to use the Timezone Name Converter
- Type a time zone abbreviation such as EST or an IANA name like Europe/Paris.
- Press Look up to match the name against the built in table.
- Read the offset, the long name and the current clock in that zone.
Features
- Abbreviations such as EST, PDT, BST, CET, IST and JST
- IANA zone names resolved with the browser internationalisation API
- UTC offset and the current local clock in the zone
- A daylight saving caveat for every abbreviation matched
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Frequently Asked Questions
Common questions about the free online timezone name converter.
It matches your text against a built in table of common abbreviations, then uses the browser
internationalisation API to read the offset and clock.
Some letters stand for several zones, so CST can mean Central Standard Time or China Standard
Time. The tool picks the most common matching entry.
Yes. Zones such as New York and London switch offset in summer, and some even change
abbreviation, so check the date you care about.
Yes. Names such as America/New_York, Europe/Paris or Asia/Tokyo are accepted and checked
against the browser zone database.
The table covers the widely used abbreviations and the browser provides the authoritative
IANA database for offsets and clocks.
When a zone has no stable abbreviation the browser reports an offset such as GMT plus nine,
and the tool shows that value as it is.
It is read when you press Look up or Current time. Press the button again to refresh the
clock for the same zone.
No. The look up and all clock reading happen inside your browser and nothing is uploaded to a
server.
Yes. Convert each attendee zone, compare the offsets and the current clocks, then choose a
time that suits everyone.
Last updated: October 10, 2026