Unix Timestamp Converter

A Unix timestamp (also called Epoch time or POSIX time) is the number of seconds that have elapsed since January 1, 1970 (UTC), not counting leap seconds. It is the standard way to represent time in programming languages, databases, and file systems. Unix timestamps are timezone-independent.

Enter a Unix timestamp (in seconds or milliseconds) to convert it to a human-readable date. Or enter a date to get the corresponding Unix timestamp. The current timestamp is displayed at the top for reference.

Unix timestamps are traditionally in seconds (10 digits: 1700000000). JavaScript and many APIs use millisecond timestamps (13 digits: 1700000000000). This tool auto-detects which format you are using based on the number length.