Timestamp Converter
Convert Unix timestamps (epoch) to human-readable dates and vice versa. Live clock, ISO 8601, and relative time.
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Sunday, March 8, 2026 at 07:15:42 AM UTC
Frequently Asked Questions
What is a Unix timestamp?
A Unix timestamp (or epoch time) is the number of seconds that have elapsed since January 1, 1970 00:00:00 UTC. It's widely used in programming, databases, and APIs to represent dates and times as a single number.
What is the difference between seconds and milliseconds timestamps?
Unix timestamps in seconds have 10 digits (e.g., 1700000000), while millisecond timestamps have 13 digits (e.g., 1700000000000). JavaScript's Date.now() returns milliseconds, while most APIs use seconds.
Can I convert a date to a Unix timestamp?
Yes. Use the date picker on the right side to select a date and time, then click Convert to get the corresponding Unix timestamp in your selected unit (seconds or milliseconds).
Does this tool support timezones?
The tool displays dates in your browser's local timezone. The ISO 8601 output always includes the UTC offset for unambiguous timezone representation.