Unix Timestamp Converter
Convert Unix timestamps to readable dates and convert dates to Unix timestamps directly in your browser. Nothing is sent to any server.
Unix Timestamp
Timestamp unit
Date and Time
Unix Timestamp
UTC Time
Local Time
ISO 8601
Relative Time
FAQ
What is a Unix timestamp?
A Unix timestamp is the number of seconds or milliseconds that have passed since January 1, 1970, at 00:00:00 UTC.
What is the difference between seconds and milliseconds?
Most Unix timestamps use seconds and usually contain 10 digits. JavaScript timestamps use milliseconds and usually contain 13 digits.
What is UTC time?
UTC is a worldwide time standard. Unlike local time, it does not depend on your time zone or daylight saving time.
What is ISO 8601?
ISO 8601 is an international date format, for example: 2026-07-12T12:30:00.000Z.
Is my date or timestamp uploaded?
No. All conversions are performed locally in your browser. Nothing is uploaded or stored.