Unix Timestamp Converter
Convert between Unix epoch timestamps and human-readable dates. Live clock, multiple timezones.
About 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, 00:00:00 UTC — the "Unix epoch." It is a universal, timezone-independent way to represent a point in time, widely used in programming, databases, APIs, and log files.
How to convert a timestamp to a date
Enter the Unix timestamp (in seconds or milliseconds) in the Timestamp → Date section and click Convert. The tool will display the date in multiple formats including UTC, ISO 8601, local time, and a human-friendly relative description.
How to convert a date to a timestamp
Use the Date → Timestamp section. Select a date and time using the date picker (your local timezone is used), then click Convert to get the corresponding Unix timestamp in both seconds and milliseconds.
Common timestamp values
1000000000 = September 9, 2001 · 1500000000 = July 14, 2017 · 2000000000 = May 18, 2033 · The year-2038 problem occurs at timestamp 2147483647 (max 32-bit signed integer).