SQL>SQL> SELECT TO_CHAR(ROUND(TO_DATE('25-MAY-2005 19:45:26','DD-MON-YYYY HH24:MI:SS'), 'HH24'), 'DD-MON-YYYY HH24:MI:SS') FROM dual;TO_CHAR(ROUND(TO_DAT--------------------25-MAY-2005 20:00:00SQL>SQL>SQL>