Add date title to genesis date archives

add-date-title-to-genesis-date-archives.php

<?php
// Do NOT include the opening php tag above

add_action( 'genesis_before_loop','jmw_add_archive_date_title', 15 );
/**
 * Add date headline to date archive pages.
 *
 * If we're not on a date archive page then nothing extra is displayed.
 *
 * The date is marked up as a level 1 heading.
 *
 * @return null Return early if not date archive 
 */
function jmw_add_archive_date_title() {
	if( !is_date() ) {
		return;
	}
	
	echo '<div class="archive-description">';
		echo '<h1 class="archive-title">'. single_month_title( ' ', FALSE ) .' Archive</h1>';
	echo '</div>';
}