1 . For the time picker:
Edit file /wp-content/plugins/woocommerce-checkout-manager/includes/pickers/jquery.ui.timepicker.js
-Comment the two “if” line 736 and 739 to show 24 hours
To remove AM/PM in the selected hour:
-Line 1305 to 1318, comment the “if”
And to remove AM and PM from the timepicker:
Line 89 showperiodlabels: false,
2. for the date picker:
-edit /public_html/wp-content/plugins/woocommerce-checkout-manager/woocommerce-checkout-manager.php
Comment the “if” line 182 to 188
And add for a french translation:
`wp_register_script( ‘jquery.ui.datepicker-fr’, plugins_url( ‘includes/pickers/di18n/jquery.ui.datepicker-fr.js’, WOOCCM_RELPATH ) );
wp_enqueue_script(‘jquery.ui.datepicker-fr’);
/*wp_enqueue_script(‘jquery-ui-datepicker’);*/
`