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Unix Timestamp Converter

Convert between epoch time and readable dates in UTC and your local timezone. Auto-detects seconds versus milliseconds.

Runs in your browser. Nothing is uploaded.

How to use the Unix Timestamp Converter

  1. 1Enter a Unix timestamp or a date.
  2. 2Read UTC, local time and ISO 8601 output.
  3. 3Copy the format you need.

Unix Timestamp Converter FAQ

The number of seconds since 1 January 1970 00:00:00 UTC.

Ten-digit values are seconds; thirteen-digit values are milliseconds. The tool detects this automatically.