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Unix timestamp converter

Convert Unix timestamps both ways.

Get the current Unix time, switch between seconds and milliseconds, convert a date to a timestamp, and parse any timestamp back to a readable UTC or local date.

What is a Unix timestamp?

A Unix timestamp is the number of seconds that have elapsed since the Unix epoch, 00:00:00 UTC on January 1, 1970, not counting leap seconds. It is a single integer that represents an exact moment in time independent of time zone, which is why APIs, databases, and log files use it. Some systems store it in milliseconds instead of seconds.

Common timestamp formats for the same moment (00:00:00 UTC on Jan 1, 2026)
FormatValue
Unix time (seconds)1767225600
Unix time (milliseconds)1767225600000
ISO 8601 (UTC)2026-01-01T00:00:00Z
RFC 1123 (UTC / GMT)Thu, 01 Jan 2026 00:00:00 GMT
Unix epoch (reference)1970-01-01T00:00:00Z = 0

For chat embeds, use the Discord timestamp generator; to convert one time across regions, see the time zone converter.

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The current Unix timestamp shown in the tool updates live in your browser, in both seconds and milliseconds.

The seconds and milliseconds toggle keeps API debugging clear when services use different timestamp precision.

Both conversion directions update on the page without a server call.

How to use the Unix Timestamp Converter

  1. 1

    Choose seconds or milliseconds.

  2. 2

    Enter a readable date or timestamp.

  3. 3

    Read the converted timestamp or local date.

Frequently asked questions

What is a Unix timestamp?

A Unix timestamp counts elapsed time from January 1, 1970 UTC, commonly in seconds or milliseconds.

Should I use seconds or milliseconds?

Use the unit expected by your API, database, or log source. Many web APIs use milliseconds while Unix tools often use seconds.

Why does the readable date use my local time?

The browser displays parsed dates in your local time zone for easier debugging.

Can I share a timestamp conversion?

Yes. The URL stores the selected mode and values after you edit the fields.

Does conversion happen client-side?

Yes. Timestamp conversion runs locally in the browser.

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