TS - Timestamp in MSG
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|Inclusion date||1.0.1, 2009-08-04|
Timestamp of the moment when the message was sent, expressed in seconds since the Unix Epoch (January 1 1970 00:00:00 GMT).
Unix time, or POSIX time, is a system for describing points in time, defined as the number of seconds elapsed since midnight Coordinated Universal Time (UTC) of January 1, 1970, not counting leap seconds. It is used widely, not only in Unix-like operating systems, but also in many other computing systems and file formats. It is neither a linear representation of time nor a true representation of UTC (though it is frequently mistaken for both), as it cannot represent standard UTC leap seconds (e.g. December 31, 1998 23:59:60), although otherwise the times it represents are UTC. Unix time may be checked on some Unix systems by typing date +%s on the command line.
On February 13, 2009, at exactly 23:31:30 (UTC) the decimal representation of Unix time was equal to 1234567890. Parties and other celebrations were held around the world, among various technical subcultures, to celebrate the 1234567890 day.