Unix timestamp converter
Convert Unix timestamps to dates and dates to timestamps. Seconds, milliseconds, microseconds and nanoseconds are detected automatically.
How to use the Unix timestamp converter
- Paste a timestamp to see the date in your time zone, UTC and ISO 8601.
- Or pick a date and time to get its timestamp.
- Click Copy next to any value.
Frequently asked questions
What is a Unix timestamp?
The number of seconds since January 1, 1970 at 00:00 UTC, not counting leap seconds. Many systems use it to store dates.
Seconds or milliseconds?
10 digits are seconds and 13 digits are milliseconds, as used in JavaScript. The converter detects the unit from the length.
What is the year 2038 problem?
Systems that store timestamps as signed 32-bit numbers overflow on January 19, 2038. Modern systems use 64-bit values.
Related tools
Everything runs in your browser. Your files and text are never uploaded.