Set default date with specific time (next friday 20:00)

I ran into the same wall when attempting to set the date field default to a semi-absolute. In my case I needed the last day of February in the current month. In strtotime, using "march 0" works for my case, always returning the last day of February for the current year. This would not work in the relative field, so I left the setting blank, and used hook_form_alter to edit the default for my field manually.

Here is what my code looked like: (replace module with the name of your module, and make sure to use your form id and field name

/**
* Implementation of hook_form_alter().
*/
function module_form_alter(&$form, $form_state, $form_id){	
	if($form_id == 'violation_review_node_form'){
		$exp = date("Y-m-d h:m:s",strtotime("march 0"));
		$form['field_expiration_date'][0]['#default_value']['value'] = $exp;
	}
}

This qualifies as a feature request. I'm missing it!

hook_form_alter() can do the trick, but it's not a very flexible solution. What if I create a new field that should behave the same? What if the field goes into a field group? Etc.

I am trying to figure out how to set the default to 2011-01-22
That seems like it should be easy, but it is all relative.
Maybe there is some way to pull that in from an event node reference.
I don't even see a place to put PHP if I knew how.

Found this http://drupal.org/node/319195

Duplicate of #319195: Set default value to a custom strtotime string (for relative or exact dates)