Time Zone Converter
Convert a local date and time between IANA time zones with daylight-saving rules.
Enter values
Conversion result
About this tool
The converter uses the browser's Intl implementation and IANA zone names, with no external timezone API.
Nonexistent local times during a daylight-saving jump are rejected. Results depend on the timezone database included with your browser, which may be outdated in an old browser.
Frequently asked questions
Does it handle daylight saving time?
Yes. It uses the browser's IANA rules for the selected date.
Does it call an external API?
No. Conversion uses Intl on your device.
What is an ambiguous local time?
When clocks move back, one local time can occur twice. The tool displays one valid interpretation chosen by the browser-based conversion.
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