time.php

<?php

define('base_url', 'http://bijint.com/iwate/tokei_images/');
date_default_timezone_set('Asia/Tokyo');

function get_iwate_tokei_image_url() {
  $image_url = base_url . date('Hi') . ".jpg";
  return $image_url . "\n" . "![iwate_bijintokei]($image_url)";
}

echo get_iwate_tokei_image_url();