SQL>
SQL> create table MyTable (
2 title varchar2(100),
3 phone varchar2(20),
4 place varchar2(100),
5 starts timestamp with local time zone);
Table created.
SQL>
SQL> insert into MyTable (title, phone, place, starts)
2 values ('Sales Strategy', '212.123.4567', 'New York',
3 TIMESTAMP '2001-12-01 15:00:00.000000 EST');
1 row created.
SQL>
SQL> insert into MyTable (title, phone, place, starts)
2 values ('Product Features', '650.123.4567', 'San Francisco',
3 TIMESTAMP '2001-12-01 17:00:00.000000 PST');
1 row created.
SQL>
SQL> insert into MyTable (title, phone, place, starts)
2 values ('Football Highlights', '44 1234 5678', 'London',
3 TIMESTAMP '2001-12-01 20:00:00.000000 GMT');
1 row created.
SQL>
SQL> alter session set time_zone = '-05:00';
Session altered.
SQL>
SQL> column title format a25
SQL> column starts format a30
SQL> select title, starts from MyTable;
TITLE STARTS
------------------------- ------------------------------
Sales Strategy 01-DEC-01 03.00.00.000000 PM
Product Features 01-DEC-01 08.00.00.000000 PM
Football Highlights 01-DEC-01 03.00.00.000000 PM
SQL>
SQL> alter session set time_zone = 'GMT';
Session altered.
SQL>
SQL> select title, starts from MyTable;
TITLE STARTS
------------------------- ------------------------------
Sales Strategy 01-DEC-01 08.00.00.000000 PM
Product Features 02-DEC-01 01.00.00.000000 AM
Football Highlights 01-DEC-01 08.00.00.000000 PM
SQL>
SQL> drop table MyTable;
Table dropped.
SQL>