How it works
- 1Choose the date and local time you want to convert.
- 2Select the source and destination time zones.
- 3Convert, swap zones or copy the formatted destination time.
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BROWSER · Intl time-zone conversion
Time Zone Converter
Convert a date and time between world time zones using browser IANA time-zone data, including daylight-saving rules.
✓ Convert date and time between IANA time zones✓ Automatic daylight-saving handling via browser Intl data✓ Swap zones and use current local time
Converted time—
About this tool
A no-API world time-zone converter using the browser’s IANA/Intl time-zone database.
Frequently asked questions
Does it account for daylight saving time?
Yes. The browser Intl time-zone database applies the rules for the selected date and zone.
Does it need a time API?
No. Conversion uses time-zone data built into your browser.
Why can some local times be ambiguous?
When clocks move backward, a local wall time may occur twice; when clocks move forward, some local times do not exist.