سهلSahel

Epoch & Unix Timestamp Converter

Convert a Unix timestamp to a readable date and back

calendar_today Last updated: September 17, 2026

Right now, in seconds

—

info

Read as seconds, based on the size of the number. Override it above if that is wrong.

That moment

Your local time—
ISO 8601 (UTC)2018-01-18T01:30:22Z
In seconds1516239022
In milliseconds1516239022000

Converted in your browser. Local times use your device’s own time zone.

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Sahel's epoch converter turns Unix timestamps into readable dates and back, detects whether the number is in seconds, milliseconds or microseconds and shows which it picked, and runs in your browser.

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How does this tool work?

1

Paste the number

Or press “Use now” to take the current moment.

2

Check the unit

It is inferred from the size of the number and shown so you can override it.

3

Read the date

In your local time, as ISO 8601, and in seconds and milliseconds.

Frequently asked questions

What is a Unix timestamp? expand_more
The number of seconds since 1 January 1970 UTC. Systems use it because it is a single number that does not depend on a time zone or a date format.
How does it know whether the number is seconds or milliseconds? expand_more
From its size. A present-day timestamp is ten digits in seconds and thirteen in milliseconds. The tool infers it and shows you the choice, so you can override it for a number from an older or future system.
Why is the date hours away from what I expected? expand_more
Because the number is an absolute moment, and displaying it depends on your time zone. The tool shows your local time and the UTC form together so the offset is visible rather than surprising.
What is the year 2038 problem? expand_more
Systems that store the timestamp in a signed 32-bit integer run out of room on 19 January 2038. Modern systems use 64 bits and are unaffected.

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