Unix Timestamp Converter
Instantly convert between Unix timestamps and human-readable dates. Runs entirely in your browser.
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Quick Reference
What is a Unix Timestamp?
A Unix timestamp (also known as Unix time, POSIX time, or Epoch time) is a system for describing a point in time. It is the number of seconds that have elapsed since the Unix epoch, which was at 00:00:00 Coordinated Universal Time (UTC) on Thursday, 1 January 1970. It is widely used in operating systems and file formats as it is unambiguous and independent of time zones. Timestamps can also be represented in milliseconds for higher precision.
When to Use a Unix Timestamp
Unix timestamps are essential for programmers and system administrators. They are ideal for logging events, storing dates in databases, and performing date-based calculations. Because they are simple numbers, they make it easy to compare, sort, and calculate durations between two points in time without worrying about time zones, daylight saving changes, or different calendar systems. They are a fundamental part of many APIs and data exchange formats on the web.