What is Unix Timestamp Converter?
A Unix timestamp is the time elapsed since 00:00:00 UTC on January 1, 1970, in seconds (or milliseconds), and it's widely used in server logs, databases and APIs. Enter a number to convert it instantly to your time zone, UTC and ISO 8601.
How to use
- 1
See the current timestamp live at the top.
- 2
Enter a number in “Timestamp → date”; seconds and milliseconds are detected automatically.
- 3
Pick a date and time in “Date → timestamp” to get the value in seconds and milliseconds.
Use cases
Checking log times
Paste a value like 1735689600 from a server log to see when it actually happened.
Building API parameters
Convert midnight on a given date to a timestamp for a date-range query.
FAQ
How do you tell seconds from milliseconds?+
Values with 12 or more digits are treated as milliseconds (the JavaScript convention); shorter values as seconds.