About Unix Timestamp Converter
Convert Unix seconds to a UTC date or a date and time to Unix seconds. A timestamp is a point in time; the displayed local time depends on your device timezone.
How to use it
- Choose a conversion direction.
- Enter Unix seconds or a date and time.
- Convert and review both UTC and local representations.
Frequently asked questions
Are timestamps in seconds or milliseconds?
This tool accepts and outputs Unix seconds. JavaScript’s Date API often uses milliseconds.
Which timezone is used for the date input?
The date and time input is interpreted in your browser’s local timezone; the output also shows UTC.