Converting a textual day of month using TO_DATE, ORA-01858

I am trying to solve the problem of converting a day of the month
provided as a character value ('One') into an Oracle date value:


SQL> create table t1 (
2 my_date DATE
3 );

Table created.

1 INSERT INTO t1
2* VALUES (TO_DATE('June One, 2000', 'Month Ddsp, yyyy'))
SQL> /
VALUES (TO_DATE('June One, 2000', 'Month Ddsp, yyyy'))
*
ERROR at line 2:
ORA-01858: a non-numeric character was found where a numeric was
expected

It looks to me like like this is due to not having a 'direct' format
model for a character value for a day of the month. Month values have
the "month" format model to help with this, but I can't find anything
corresponding for the day of the month.

Oracle 10.2.0.1.0

Thank you for any suggestions.

Jack
.

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