01 / What
A count of seconds
A Unix timestamp counts the seconds since 00:00:00 UTC on 1 January 1970, not counting leap seconds.
Free tool
Paste a Unix timestamp and see the date and time in UTC, in your own time zone, in ISO 8601 and RFC 2822, and how long ago or from now it is. Seconds, milliseconds, microseconds and nanoseconds are told apart by their length, or you pick. Turn a date and time back into a timestamp, and copy the current epoch time with one click.
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Date to timestamp
Your time zone: .
Worked out in your browser. Nothing is sent anywhere.
Epoch time
01 / What
A Unix timestamp counts the seconds since 00:00:00 UTC on 1 January 1970, not counting leap seconds.
02 / Units
Ten digits are seconds, thirteen milliseconds, sixteen microseconds and nineteen nanoseconds.
03 / Zones
The same moment is shown in UTC and in your browser's time zone, with ISO 8601 for code.
Questions
The number of seconds since 1 January 1970 at midnight UTC. Many systems store time this way.
Usually 10 digits means seconds and 13 means milliseconds. The page guesses from the length.
Pick the date and time on the right and say whether it is your time or UTC.
Signed 32-bit counters of seconds run out on 19 January 2038. Most systems now use 64 bits.
No.