Geo & Location Tools
Timezone by Coordinates Lookup
Find the IANA timezone name for any latitude/longitude coordinate pair.
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What is TZ by Coord?
Timezones cannot be reliably determined from offset alone. This tool maps coordinates to IANA zones for accurate DST handling.
How it works
We match coordinates against a local timezone-boundary dataset, returning the IANA zone name, current UTC offset, and DST status.
- 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
Type or paste 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.