Paste a number to get a date, pick a date to get the number. Ten digits are read as seconds, thirteen as milliseconds.
——The time elapsed since 00:00 UTC on 1 January 1970, counted as one number. Server logs, databases and APIs often pass dates this way. The value has no time zone; the same number shows as different clock times in different zones.
For present-day dates, 10 digits are seconds (most servers, Unix), 13 are milliseconds (JavaScript, Java), 16 microseconds and 19 nanoseconds. Auto uses this rule; pick the unit yourself if it guesses wrong.
Old systems that store seconds in a 32-bit integer cannot hold values after 19 January 2038. This converter uses JavaScript's 64-bit numbers and has no such limit.
Yes. Values like 1790000000.123 from Python's time.time() are read as seconds.
They are dates before 1970 and convert the same way.
The zone your operating system is set to. UTC and Korea are shown alongside for comparison.