[insert_php]
$today = getdate();
if ($today[yday] >= 0 && $today[yday] <= 38){ include ('wp-content/themes/promotion/home-winter.php'); }else if ($today[yday] >= 39 && $today[yday] <= 150){ include ('wp-content/themes/promotion/home-spring.php'); }else if ($today[yday] >= 151 && $today[yday] <= 221){ include ('wp-content/themes/promotion/home-summer.php'); }else if ($today[yday] >= 222 && $today[yday] <= 292){ include ('wp-content/themes/promotion/home-fall.php'); }else if ($today[yday] >= 293 && $today[yday] <= 365){ include ('wp-content/themes/promotion/home-winter.php'); } [/insert_php]