Availability:built-in
stamp_date_time(+TimeStamp,
-DateTime, +TimeZone)Convert a TimeStamp to a DateTime in the given
timezone. See section
4.35.2.1 for details on the data types. TimeZone
describes the timezone for the conversion. It is one of local
to extract the local time, 'UTC' to extract a UTC time or
an integer describing the seconds west of Greenwich.