NEW_TIME(): Converting a Datetime from One Time Zone to Another
SQL>
SQL> --NEW_TIME(): Converting a Datetime from One Time Zone to Another
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SQL> SELECT TO_CHAR(NEW_TIME(TO_DATE('25-MAY-2006 19:45', 'DD-MON-YYYY HH24:MI'), 'PST', 'EST'), 'DD-MON-YYYY HH24:MI') FROM dual;