Convert between Unix timestamps and human-readable dates, in either direction.
UTC
Local time
ISO 8601
Seconds
Milliseconds
About Unix timestamps
A Unix timestamp counts the number of seconds (or milliseconds) since January 1, 1970 UTC — widely used in programming, databases and APIs. This tool converts a timestamp to a readable date, or a date back into a timestamp, entirely in your browser.
FAQ
Seconds or milliseconds? This tool auto-detects — 10-digit numbers are treated as seconds, 13-digit numbers as milliseconds.