Store hour:minute information to date type variable
SQL> declare 2 myDate date; 3 Begin 4 myDate := to_date('09-JUN-91:13:01 ', 'DD-MON-YY:HH24:MI');-- Sets variable to June 9, 1991, 1:01p.m. 5 End; 6 / PL/SQL procedure successfully completed. SQL>