Date & Time Tools
Time Zone Abbreviation Lookup
Look up what common timezone abbreviations like EST, CET, JST actually mean.
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What is TZ Abbrev?
A reference dictionary of timezone abbreviations with their UTC offsets and example locations — clarifying ambiguous ones like IST (India vs Ireland).
How it works
A bundled table of abbreviations maps each to an offset and representative IANA zones; the offset is resolved for a fixed reference date.
- Enter your input. Type or paste your input into the field above — the tool responds instantly.
- Review the result. Output updates live as you type. Everything runs entirely in your browser.
- Copy or download. Use the Copy button to grab the result, or Download to save it as a file.
Examples
Realistic sample
Paste or type any realistic input — the tool computes the result locally and instantly.
Common mistakes
Expecting a server round-trip
Nothing is uploaded — every tool in this category runs entirely in your browser.