Time Zone Converter

Uses the browser Intl API for current time-zone data. Shows the exact offset at the selected instant and warns about DST gaps and ambiguities.

Converters Web Formats Runs locally No sign-up

Time zone converter

Source time zone

Type to search IANA zones.

Target time zone

The selected time is interpreted in the source zone.

Date and time Local wall-clock time in the source zone.

Target time —

UTC time —

Target offset —

Difference —

Source instant —

About Time Zone Converter

Convert a date and time between any two IANA time zones, with DST warnings and accurate offsets.

This tool runs locally in your browser. It does not upload your input, require an account, or store your data on a server. If a feature needs a network request, the interface asks before sending anything.