What is a Unix timestamp?

A Unix timestamp (epoch time) is the number of seconds that have elapsed since January 1, 1970 (UTC), excluding leap seconds.

What is the Year 2038 problem?

On January 19, 2038, 32-bit signed integer representation of epoch seconds will overflow, causing systems to fail. 64-bit systems resolve this.

Yes, standard Unix time is in seconds, but we provide conversions for both seconds and milliseconds format.

The live counter at the top displays the current time in seconds, updating in real-time.

Yes. All timezone and epoch calculations use standard JavaScript Date objects running locally in your browser.

Coordinated Universal Time (UTC) is the primary time standard by which the world regulates clocks and time, with no daylight savings offsets.

It uses the client browser's local timezone configuration to automatically convert UTC epoch seconds to your local time format.

Yes. Negative timestamps represent dates prior to January 1, 1970 (e.g. -1 means December 31, 1969).

Yes, it is 100% free with no limits on conversions or account creation requirements.

JavaScript natively uses epoch in milliseconds (13 digits), while standard Unix systems use seconds (10 digits). We support both formats.

Current Unix Timestamp 0

Enter Unix Timestamp

Human Readable Date (Local)

UTC Date

Enter Date String or Choose Date

Unix Epoch Timestamp