Unix time (also referred to as Epoch time, POSIX time, seconds because the Epoch, or UNIX Epoch time) is really a system for describing a time. It’s the quantity of seconds which have passed because the Unix epoch, that’s the time 00:00:00 UTC on 1 The month of january 1970, minus leap seconds.
Also, what’s the epoch time now?
The Unix epoch may be the time 00:00:00 UTC on 1 The month of january 1970. There’s an issue with this definition, for the reason that UTC didn’t appear in its current form until 1972 this problem is discussed below. For brevity, the rest of this uses ISO 8601 time and date format, where the Unix epoch is 1970-01-01T00:00:00Z.