Unix Timestamp Converter

Convert between Unix epoch timestamps and human-readable dates. Handles both seconds and milliseconds.

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What is a Unix timestamp?

A Unix timestamp (epoch time) is the number of seconds elapsed since January 1, 1970 00:00:00 UTC. It's used extensively in programming, databases, APIs, and log files as a timezone-independent way to represent a point in time.

This converter auto-detects whether your input is in seconds (10 digits) or milliseconds (13 digits). You can also enter date strings like 2024-03-12T10:30:00Z.