Date & time tool
Standalone tool pageTime Zone Converter
Convert date and time between common world time zones.
Output
Result
Converted time
Source time
UTC reference
How It Works
The converter estimates the UTC instant for your source timezone, then formats the same instant in the target timezone using the browser Intl API.
Example
Convert 09:00 in New York to London time to plan a meeting across regions.
Frequently Asked Questions
Does this handle daylight saving time?
Yes. It uses the browser Intl timezone database, so daylight saving behavior follows your runtime/browser data.
What timezone is the input time?
The date and time you enter are interpreted as the selected source timezone.
Which timezone does this use?
Most date and time tools use the dates, times, and timezone assumptions shown on the page or provided by your browser.
Should I verify important dates?
Yes. For travel, contracts, payroll, legal deadlines, or public holidays, confirm the final date with an official calendar or source.