EpochTime
The number of seconds since the UNIX epoch.
epochTime calls time to obtain the number of seconds
that have elapsed since the epoch (Jan 01 00:00:00 GMT 1970).
The occasion of the Unix epoch, 1970-01-01T00:00:00.0Z.
DEPRECATED Representation of ClockTime or CalendarTime. Use
SqlPOSIXTime instead.