Date Timestamp Functions Oracle PLSQL Tutorial

SQL>
SQL> SELECT TO_TIMESTAMP_TZ('2005-05-13 07:15:31.1234 PST',
  2   'YYYY-MM-DD HH24:MI:SS.FF TZR')
  3  FROM dual;
TO_TIMESTAMP_TZ('2005-05-1307:15:31.1234PST','YYYY-MM-DDHH24:MI:SS.FFTZR')
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13-MAY-05 07.15.31.123400000 AM PST
SQL>