Seconds or milliseconds?

Both are supported. Milliseconds are common in JavaScript.

Date & Time

Unix Timestamp Converter

Unix time counts seconds since 1970-01-01 UTC - the standard time format for computers.

Unix timestamp (seconds)

ISO date

UTC

Mon, 26 Oct 2026 10:30:11 GMT

Local

Mon Oct 26 2026 10:30:11 GMT+0000

Unix time counts seconds since 1970-01-01 UTC - the standard time format for computers.

Everything runs directly in your browser. No signup, no upload, no tracking of your inputs - just a fast, focused utility that respects your time.

Add or subtract hours, minutes, and seconds from a time value.