POSIXTime

POSIX time is the nominal time since 1970-01-01 00:00 UTC To convert from a CTime or System.Posix.EpochTime, use realToFrac.
Convert POSIXTime to Time.
Get the current POSIX time from the system clock.
Get the POSIX time.
Time as seconds since midnight Jan 1 1970 UTC. Integer rendering as for SqlDiffTime.
Convert Time to POSIXTime.
Parse either a POSIX timestamp or RFC3339 formatted timestamp as POSIXTime.