SELECT TO_TIMESTAMP('16-09-2015 08:10:14 AM') AS TS_TEST
FROM dual;

SELECT TO_TIMESTAMP('12-09-2015 04:32:20.1245 PM', 'DD-MM-YYYY HH:MI:SS.FFFF AM') AS TS_TEST
FROM dual;

SELECT TO_TIMESTAMP('8 DEC 2015 10:04', 'DD MON YYYY HH:MI') AS TS_TEST
FROM dual;

http://www.databasestar.com/oracle-to_timestamp/

A few examples of the Oracle TO_TIMESTAMP function.

Oracle TO_TIMESTAMP Function

sql, Oracle

SQL