Free online tool

Time Zone Converter

Choose real city-based time zones and convert a specific local time using the offset in effect on that date.

Local date and time From time zone To time zone

New York-

Shanghai-

Method

Time standard and daylight saving rules

City choices use IANA time-zone identifiers. The applicable offset is resolved for the selected date, so daylight saving transitions are not treated as a permanent offset.

Local times skipped during a spring-forward transition are reported as invalid. Historical and future rules depend on the time-zone database shipped with the browser.

Reference: IANA Time Zone Database.

Questions

Time Zone Converter FAQ

Does the time zone converter account for daylight saving time?

Yes. It uses the browser time-zone database and the selected date to determine the applicable offset.

Why should I use a city time zone instead of GMT offsets?

Fixed offsets do not contain daylight saving or historical rule changes. IANA city zones do.

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