Convert between Unix timestamps and human-readable dates.
Converted locally in your browser.
Understanding your result
Watch the unit: many systems use seconds, while JavaScript uses milliseconds.
Formula and method
A Unix timestamp is the number of seconds (or milliseconds) since 1 January 1970 UTC. The tool shows both UTC and your local time.
Worked example
The timestamp 0 corresponds to 1970-01-01 00:00:00 UTC.
How to use this tool
- Choose the conversion direction.
- Enter the timestamp or the date.
- Read the converted values.
Common mistakes to avoid
- Mixing up seconds and milliseconds, which shifts the date by a factor of 1000.
About the Unix Timestamp Converter
Convert Unix epoch timestamps to human-readable dates and turn dates back into timestamps.
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Frequently asked questions
Seconds or milliseconds?
Choose the unit that matches your data. Classic Unix time is in seconds.