What is a Unix timestamp?

It's the number of seconds that have elapsed since January 1, 1970 (the Unix Epoch).

Does it account for time zones?

Yes, you can display the result in UTC or your local time zone.

Yes, timestamps in both seconds and milliseconds are detected and converted correctly.

Yes, pick a date and time and the tool shows the corresponding Unix timestamp.

No, all conversion happens locally in your browser.

Convert a Unix timestamp into a human-readable date and time in any time zone, and back again.

Unix timestamp (seconds)

Date and time (local)

UTC

Thu, 01 Jan 1970 00:00:00 GMT

ISO 8601

1970-01-01T00:00:00.000Z

Local time

1/1/1970, 12:00:00 AM

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