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Unix Timestamp Converter

Convert epoch seconds or milliseconds to a human date, and a date back to epoch.

How to convert a Unix timestamp

  1. Paste seconds or milliseconds.
  2. See local and UTC dates.
  3. Or pick a date and copy the epoch.

Frequently asked questions

Seconds or ms?

Values greater than 1e12 are treated as milliseconds.

Time zone?

We show your browser’s local zone and UTC.

Leap seconds?

JavaScript Date does not model leap seconds.

Private?

Yes.

Free?

Yes.

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