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Timestamp Converter

Convert timestamps and IANA time zones locally.

Input format

Enter Unix seconds, milliseconds, or an ISO timestamp with a timezone.

Target timezone
UTC ISO 8601—
Unix seconds—
Unix milliseconds—
Target timezone display—

How to use this tool

State whether the input is Unix seconds, milliseconds, or an ISO value, then choose both source and target IANA time zones.

When not to use it

Do not assume a local date has an unambiguous instant during daylight-saving changes.

Read the guide →