Unix Timestamp
Convert Unix epoch time to human-readable dates and back.
What is Unix time?
Unix time (also called epoch time) is a system for describing a point in time as the number of seconds that have elapsed since 00:00:00 UTC on January 1, 1970. It's timezone-independent and widely used in programming, databases, and APIs.
Common Unix timestamps
- 0 — January 1, 1970 (epoch)
- 1000000000 — September 9, 2001
- 1700000000 — November 14, 2023
- 2000000000 — May 18, 2033
Privacy
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Frequently Asked Questions
What is a Unix timestamp?
The number of seconds since January 1, 1970 (UTC), excluding leap seconds. Standard way to store time in Unix/Linux systems and databases.
Why 1970?
It was chosen as a convenient reference point when Unix was developed in the late 1960s. Also called the 'Unix epoch'.
What about milliseconds?
JavaScript and many APIs use milliseconds (13 digits). Older systems use seconds (10 digits). This tool auto-detects.
Is it free?
Yes, completely free.
Is my data uploaded?
No. Everything runs in your browser.