Unix Timestamp Converter
Convert Unix epoch timestamps to human-readable dates (ISO, UTC, local time) and convert any date back to a Unix timestamp. Supports both seconds and milliseconds.
Frequently Asked Questions
What is a Unix timestamp?+
A Unix timestamp (also called epoch time) is the number of seconds elapsed since January 1, 1970, 00:00:00 UTC. It is used in programming to store and compare dates as simple integers.
What is the difference between seconds and milliseconds timestamps?+
Unix timestamps in seconds are 10 digits (e.g., 1717027200). Millisecond timestamps are 13 digits (e.g., 1717027200000). JavaScript uses milliseconds by default, while most Unix systems use seconds.
What is the current Unix timestamp?+
The current Unix timestamp changes every second. Use the 'Refresh' button on this page to get the latest value.
When does Unix time overflow?+
On 32-bit systems, Unix timestamps will overflow on January 19, 2038, known as the Year 2038 problem. 64-bit systems are not affected.