Search on custom field of type DATE does not work

Cannot search through custom field (type: select date). On demo system:

1. Changed 'Marriage Date' of contact with CiviCRM ID: 50 (Ms Melinda L Adams Jr) to 'January 2nd, 1993'
2. Clicked 'Advanced Search'
3. Under Custom field, select the Marriage Date as 'Jan 02 1993' (same as above)
4. Search returns no matches found