Reverse the post order for the Genesis Framework

reverse-post-order.php

<?php
add_action( 'pre_get_posts', 'prefix_reverse_post_order' );
/**
 * Reverse Post Order for Post Archives
 * on the Genesis Framework
 *
 * @author FAT Media
 * @link http://youneedfat.com/reverse-post-order-genesis-framework/
 * @param object $query data
 *
 */
function prefix_reverse_post_order( $query ) {
	if ( is_admin() )
		return;
	
	// Only change the query for post archives.
	if ( $query->is_main_query() && is_archive() && ! is_post_type_archive() ) {
		$query->set( 'orderby', 'date' );
		$query->set( 'order', 'ASC' );
	}
}

You can check out a full breakdown and explanation of this Gist on our blog: http://youneedfat.com/reverse-post-order-genesis-framework/