Thursday

// Add Shortcode
function custom_thursday() {

	  if(date('D') == 'Thu') { 
	  echo "Deliveries Available On For Catering Orders (Orders Over AED 1000).";
	} else {
	  echo 'Order Before 3pm and receive it for [weekday="l jS of F Y " timestamp="+1 day"].';
	}

}
add_shortcode( 'customthursday', 'custom_thursday' );