CJuiDatePicker

Views

    <?php $this->widget('zii.widgets.jui.CJuiDatePicker', array(
       'name' => 'application_date',
       'model' => $model,
       'attribute' => 'application_date',
       'language' => 'ru',
       'options' => array(
           'showAnim' => 'fold',
       ),
       'htmlOptions' => array(
           'style' => 'height:20px;'
       ),
    ));?>

Model

public function rules() 
{
...
array('application_date', 'date', 'format'=>'dd.MM.yyyy'),
...
}
 
// Для преобразования (если необходимо)
protected function beforeSave() {
   if(parent::beforeSave()) {
       $this->application_date = date('Y-m-d', strtotime($this->application_date));//strtotime($this->date_start);
       return true;
   } else {
       return false;
   }
}
 
// Для преобразования (если необходимо)
protected function afterFind() {
   $date = date('d.m.Y', strtotime($this->application_date));
   $this->application_date = $date;
   parent::afterFind();
}