wp_body_open

	 * @since 2.8.0
	 *
	 * @param string $time   The formatted time.
	 * @param string $format Format to use for retrieving the time the post was modified.
	 *                       Accepts 'G', 'U', or PHP date format. Default 'U'.
	 * @param bool   $gmt    Whether to retrieve the GMT time. Default false.
	 */
	return apply_filters( 'get_post_modified_time', $time, $format, $gmt );