SQL> Select to_date('01.Jun.2015', 'DD.Mon.YYYY') from dual;
TO_DATE('01.JUN.2015','DD.MON.
------------------------------
01.06.2015
SQL> Select to_date('12.24.2015', 'MM.DD.YYYY') from dual;
TO_DATE('12.24.2015','MM.DD.YY
------------------------------
24.12.2015
SQL> -- Und jetzt mal was ganz verrücktes
SQL> Select to_date('32/02/2015', 'DDD/MM/YYYY') From dual;
TO_DATE('32/02/2015','DDD/MM/Y
------------------------------
01.02.2015