Small add-on to rename Statamic's date/time fields.

hooks.rename_date_fields.php

<?php
class Hooks_rename_date_fields extends Hooks
{

  public function control_panel__add_to_foot()
  {
    if (URL::getCurrent() == '/publish') {
      return $this->js->inline('
        var form = $(".primary-form");
        form.find("label:contains(\'Publish Date\')").text("New date field name");
        form.find("label:contains(\'Publish Time\')").text("New time field name");
      ');
    }
  }

}

/**
 * Instructions:
 * 
 * 1. Place this code in /_add-ons/rename_date_fields/hooks.rename_date_fields.php
 * 2. Enjoy your new field names.
 * 
 **/