SQL> DECLARE
2 A TIMESTAMP WITH TIME ZONE;
3 B TIMESTAMP WITH TIME ZONE;
4 C TIMESTAMP WITH TIME ZONE;
5 BEGIN
6 B := TO_TIMESTAMP_TZ('2002-06-18 13:52:00.123456789 US/Eastern','YYYY-MM-DD HH24:MI:SS.FF TZR');
7 C := TO_TIMESTAMP_TZ('2002-06-18 13:52:00.123456789 US/Eastern EDT','YYYY-MM-DD HH24:MI:SS.FF TZR TZD');
8
9 DBMS_OUTPUT.PUT_LINE(TO_CHAR(B,
10 'YYYY-MM-DD HH:MI:SS.FF AM TZH:TZM TZR TZD'));
11 END;
12 /
PL/SQL procedure successfully completed.
SQL>