I have also faced the same issue for quite a long time till I found the solution.
Summary of the files in the Magento Extension for solving the Magento Date Switch Fix:
app/code/local/CustomerParadigm/Datefix/Model/Entity/Attribute/Backend/Time/Created.php:
<?php
/**
* Magento
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to [email protected] so we can send you a copy immediately.
*
// * DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade Magento to newer
* versions in the future. If you wish to customize Magento for your
* needs please refer to http://www.magento.com for more information.
*
* @category Mage
* @package Mage_Eav
* @copyright Copyright (c) 2006-2015 X.commerce, Inc. (http://www.magento.com)
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
*/
/**
* Entity/Attribute/Model - attribute backend default
*
* @category Mage
* @package Mage_Eav
* @author Magento Core Team <[email protected]>
*/
class CustomerParadigm_Datefix_Model_Entity_Attribute_Backend_Time_Created extends Mage_Eav_Model_Entity_Attribute_Backend_Time_Created
{
/**
* Returns date format if it matches a certain mask.
* @param $date
* @return null|string
*/
/* This shouldn't be needed for the datetime switch bug fix. Removing for testing.
protected function _getFormat($date)
{
if (is_string($date) && preg_match('#^\d{4,4}-\d{2,2}-\d{2,2} \d{2,2}:\d{2,2}:\d{2,2}$#', $date)) {
return 'yyyy-MM-dd HH:mm:ss';
}
return null;
}
*/
/**
* Set created date
* Set created date in UTC time zone
*
* @param Mage_Core_Model_Object $object
* @return Mage_Eav_Model_Entity_Attribute_Backend_Time_Created
*/
public function beforeSave($object)
{
$attributeCode = $this->getAttribute()->getAttributeCode();
$date = $object->getData($attributeCode);
if (is_null($date)) {
if ($object->isObjectNew()) {
$object->setData($attributeCode, Varien_Date::now());
}
} else {
// Date switch fix
$date = strtotime($date);
// convert to UTC
$zendDate = Mage::app()->getLocale()->utcDate(null, $date, true);
$object->setData($attributeCode, $zendDate->getIso());
}
return $this;
}
/**
* Convert create date from UTC to current store time zone
*
* @param Varien_Object $object
* @return Mage_Eav_Model_Entity_Attribute_Backend_Time_Created
*/
public function afterLoad($object)
{
$attributeCode = $this->getAttribute()->getAttributeCode();
$date = $object->getData($attributeCode);
// Date switch fix
if (!is_null($date)) {
$date = strtotime($date);
}
$zendDate = Mage::app()->getLocale()->storeDate(null, $date, true);
$object->setData($attributeCode, $zendDate->getIso());
parent::afterLoad($object);
return $this;
}
}
app/code/local/CustomerParadigm/Datefix/etc/config.xml:
<config>
<global>
<models>
<eav>
<rewrite>
<entity_attribute_backend_time_created>CustomerParadigm_Datefix_Model_Entity_Attribute_Backend_Time_Created</entity_attribute_backend_time_created>
</rewrite>
</eav>
</models>
</global>
</config>
app/etc/module/ CustomerParadigm_Datefix.xml:
<?xml version=”1.0″?>
<config>
<modules>
<CustomerParadigm_Datefix>
<active>true</active>
<codePool>local</codePool>
</CustomerParadigm_Datefix>
</modules>
</config>