Unix Epoch Timestamp Converter

Convert Epoch seconds and milliseconds to human-readable dates, relative durations, and ISO-8601 strings.

Current Unix Timestamp

0 Unix Epoch to Human Date

Unix Timestamp

Unit

Enter a valid epoch timestamp to view datetime formats.

Date to Unix Epoch

Select Date & Time (Local)

Select a valid calendar date to generate epoch times.

JavaScript Datetimes

JavaScript's Date.now() and getTime() return epoch millisecond integers, whereas CLI commands (like Unix date +%s) use epoch seconds.

Frequently Asked Questions

What is Unix Epoch Time?

Unix time is a system for describing a point in time, defined as the number of seconds that have elapsed since 00:00:00 Coordinated Universal Time (UTC), Thursday, 1 January 1970, minus leap seconds.

Is this converter safe for secure token epochs?

Yes. Since all parsing, conversions, and datetime operations run exclusively inside your browser, no timestamp information is sent online. It is safe for verifying JSON Web Tokens (JWT) expirations, auth tokens, database logs, and API headers.