Pick a date, a time and two time zones.
Formula
Converted time = local time − offset of the first zone + offset of the second zone
Worked example
9:00 in Paris on 7 November 2026 is 3:00 in New York.
Frequently asked questions
Is daylight saving time handled?
Yes, using your browser’s time zone database.
Why does the difference change during the year?
Countries switch to summer time on different dates.
Can I add another city?
Use a city in the same zone; more zones will be added.
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Results are estimates for information only. Check important figures with a professional.