Enter a whole number
Use automatic detection or select seconds or milliseconds yourself.
Epoch time, explained
Unix Timestamp Converter
Turn Unix seconds or milliseconds into readable dates, or convert a date and time back to an Epoch value.
Conversions run locally in your browser- No account required
- No content upload
- Works after the page loads
Whole seconds or milliseconds; negative values are supported.
Auto treats absolute values below 100 billion as seconds.
Seconds, milliseconds, time zones
Convert Unix timestamps to dates
The Unix Timestamp Converter turns Epoch seconds or milliseconds into UTC, your browser’s local time, and a selected time zone.
Convert dates to Unix timestamps
Enter a local date and time, choose how to interpret it, and get exact values in seconds and milliseconds. Daylight-saving gaps and overlaps are never silently guessed.
How timestamp conversion works
Choose a time zone
Compare UTC, browser local time, and a common IANA zone.
Copy the exact value
Copy ISO, readable date, seconds, or milliseconds independently.
Clear answers
Unix timestamp converter FAQ
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