Unix Timestamp Converter
Convert any Unix timestamp to a human-readable date, or a date back to a timestamp.
About Unix timestamps
A Unix timestamp is the number of seconds elapsed since January 1, 1970 00:00:00 UTC — known as the Unix epoch. It is the standard way to represent a point in time in most programming languages, databases, and APIs because it is timezone-independent and easy to compare or do arithmetic with.
Timestamps in seconds are 10 digits long until the year 2286. Timestamps in milliseconds (used by JavaScript's Date.now()) are 13 digits. If your timestamp looks too large, it is likely in milliseconds — divide by 1000 to get seconds.
The Local output uses the timezone selected above. By default it is auto-detected from your browser. All other outputs (UTC, ISO 8601, RFC 2822) are timezone-agnostic and always in UTC.