Show the expiration time for a member's level on the Membership Account page.

my_pmpro_show_time_on_expiration_date.php

<?php
/**
 * Show the expiration time for a member's level on the Membership Account page.
 * Useful for sites that offer hourly membership.
 * Requires PMPro v2.6+
 *
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 *
 */
add_filter( 'pmpro_show_time_on_expiration_date', '__return_true' );