What is a Unix timestamp?

It's the number of seconds elapsed since January 1, 1970 UTC, commonly used in APIs and databases.

Can I convert dates back to timestamps?

Yes, the tool converts in both directions with timezone support.

Yes, completely free with instant conversion.

Convert Unix timestamps to dates, dates to Unix timestamps, and view timezone-aware output instantly.

Unix timestamp

Date and time

Timezone display

Output

Paste a Unix timestamp in seconds or milliseconds.

Turn the Unix timestamp into readable local and UTC dates.

Choose a date and time to convert back into Unix format.

Check the output in local time, UTC, and a selected timezone.