Rman Recovery comands....

Rman Time-based PITR

run
{
allocate channel dev1 type disk;
set until time "to_date('2014-03-24:00:00:00', 'yyyy-mm-dd:hh24:mi:ss')";
restore database;
recover database; }

or

run
{
allocate channel dev1 type disk;
set until time "to_date('2014-03-25:00:00', 'yyyy-mm-dd:hh24:mi')";
restore database;
recover database; }

Rman Time-based Controlfile PITR

run
{
SET UNTIL TIME "TO_DATE('20140323:12:01','YYYYMMDD:HH24:MI')";
RESTORE CONTROLFILE FROM AUTOBACKUP preview;
}