<?php
add_filter( 'post_date_column_time' , 'woo_custom_post_date_column_time' );

/**
 * woo_custom_post_date_column_time
 *
 * @access      public
 * @since       1.0 
 * @return      void
*/
function woo_custom_post_date_column_time( $post ) {
 
 $h_time = get_the_time( __( 'd/m/Y', 'woocommerce' ), $post );
 
 return $h_time;
 
}



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Use this code in functions.php file in theme.