Unix time is a date and time representation widely used in computing. It
measures time by the number of seconds that have elapsed since 00:00:00 UTC on
1 January 1970, the Unix epoch, without adjustments made due to leap seconds.
In modern computing, values are sometimes stored with higher granularity, such
as microseconds or nanoseconds.
Unix time originated as the system time of Unix operating systems. It has come
to be widely used in other computer operating systems, file systems,
programming languages, and databases.
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