Convert between Unix timestamps and human-readable dates, in both directions.
Timestamp to Date
Date to Timestamp
How to Use the Timestamp Converter
To convert a timestamp to a date: enter it, choose Seconds or Milliseconds, and click "Convert to Date" (or click "Use Current Time").
To convert a date to a timestamp: pick a date/time and click "Convert to Timestamp".
Review both the local and UTC representations, or both the seconds and milliseconds values, shown in the result.
Frequently Asked Questions
A Unix timestamp is the number of seconds (or milliseconds) that have elapsed since January 1, 1970, 00:00:00 UTC — widely used in programming to represent a point in time as a single number.
Yes, the converted date is shown in your browser's local timezone, and the UTC value is also shown separately so you can compare both.
Most Unix timestamps (like those from databases or APIs) are in seconds; JavaScript's own Date.now() returns milliseconds. Select the matching unit so the conversion is accurate.
Yes, it's completely free and requires no sign-up.