Convertendo uma data XSD xs:dateTime em uma data Oracle

SQL> select to_timestamp_tz('2002-10-10T12:00:00-05:00','yyyy-mm-dd"T"hh24:mi:sstzh:tzm')
  2    from dual
  3  /

TO_TIMESTAMP_TZ('2002-10-10T12:00:00-05:00','YYYY-MM-DD"T"HH24:MI:SSTZH:TZM
---------------------------------------------------------------------------
10-OCT-02 12.00.00.000000000 PM -05:00

1 row selected.