Quick Answer
How do you convert between time zones?
// Answer
To convert a time between zones, express it in a common reference (UTC) and then apply each zone’s offset, accounting for daylight saving where it applies. This tool uses your browser’s built-in internationalization engine to handle offsets and DST automatically for major world cities.
Why use this tool
Schedule across the world
Coordinating a call across New York, London, and Tokyo is error-prone by hand. Enter one time and see them all at once. Calculations use the IANA time-zone database in your browser, so DST is handled for you.
FAQ
Frequently asked questions
Yes. It uses your browser’s time-zone engine, which applies DST rules automatically for each zone.
Major world cities including New York, London, Paris, Dubai, Mumbai, Singapore, Tokyo, Sydney, and Los Angeles.
Yes, your local zone is selectable, and "Use now" fills in the current local time.
Yes, all conversion happens in your browser.
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