Join Query on WP_USERMETA Table

    function get_users_email ($time_zone_cont, $class_group){
        // Add Lisa's user id,  14, in an array.
        $exclude_list = array(  );
        $Time_Zone = $time_zone_cont;
        $user_class_group = $class_group;
        $args = array(
            // 'role' => 'Editor',
            // 'exclude' => $exclude_list,
             'meta_query' => array(
                // 'relation' => 'OR',
                array(
                    'key'     => 'Time_Zone',
                    'value'   => $Time_Zone,
                    'compare' => '='
                ),
                array(
                    'key'     => 'user_class_group',
                    'value'   => $user_class_group,
                    'compare' => '='
                )
                )
        );
         
        // Custom query.
        $my_user_query = new WP_User_Query( $args );
         
        // Get query results.
        $results = $my_user_query->get_results();
         
        // Check for editors
        if ( ! empty( $results ) ) {
                foreach ( $results as $result ) {
                    // Get each editor's data.
                    $output = get_userdata( $result->ID );
                    // Show editor's name.
                 $get_output[] = $output->user_email;  
                }
                
                
        }

return $get_output;
}

Achieve the desired result through WP_User_Query class thanks @Tony Djukic and @ Tom J Nowell