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Unix timestamp converter

Turn a Unix timestamp into a date and time, or turn a date into the number of seconds since 1 January 1970 UTC.

Private by design: this tool runs in your browser. Nothing you add is uploaded.

How to use it

  1. Press "Now" to see the current timestamp.
  2. Or paste a timestamp to see its date and time.
  3. Or pick a date to get its timestamp.
Screenshot of the Unix timestamp tool on Sureno, in use
Unix timestamp in use: a real screenshot of this page.

Questions and answers

Which time zone is the date in?

The date box uses your device's time zone. The UTC line is the same moment in Coordinated Universal Time.

What is a Unix timestamp?

The number of seconds since 1 January 1970 (UTC). Computers use it to store times.

Why 13 digits?

Some systems count milliseconds instead of seconds. The tool spots this and converts it.

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