Unix timestamp Convert seconds or milliseconds to a date, and a date or ISO string back to unix time. Details Ten digits are treated as seconds. Thirteen digits are treated as milliseconds. Other lengths are rejected instead of guessed. You can also type a date or an ISO string and get the unix time back. Category: Developer Page: /tools/timestamp-converter Text: /tools/timestamp-converter.txt Limits 10 digits are seconds. 13 digits are milliseconds. Other lengths are rejected instead of guessed. Steps 1. Paste a number or an ISO date. 2. Read local time and UTC. 3. Copy the seconds or milliseconds. Questions Why is there a live clock? So you can copy the current unix time without doing the division. Which timezone is local? The timezone of this device. Nothing is uploaded. Closing the tab drops the file. No time server is queried.