Unix Timestamp

Convert Unix timestamps to human dates and back. Supports seconds, milliseconds, microseconds, ISO 8601, and time zones. Free.

About this Unix Timestamp tool

CheckHub converts between Unix epoch (seconds, ms, µs) and ISO 8601 dates with time-zone support.

How to use the Unix Timestamp

  1. Step 1. Paste a timestamp or date.
  2. Step 2. Read the converted value in your time zone.

Frequently asked questions

Seconds or milliseconds?
Unix tradition is seconds. JavaScript Date.now() returns milliseconds. CheckHub auto-detects which one you pasted.

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