Web Developer, PHP, Drupal, Symfony.

I was creating a new project and I wanted to create on model Client a field called birthday as DATE field. I noticed that the admin generator form created a limited year's select to 5 forward and backward. I'm too change the format of field of mm/dd/yyyy to dd/mm/yyyy. How can I did it?

You need to override the formClass, like this:

class ClientForm extends BaseClientForm
{