The Events Calendar: Customize RSS Date Range

custom-rss-date-range.php

<?php

add_action( 'pre_get_posts', 'show_one_year_of_events' );
function show_one_year_of_events( $query ) {

  if ( $query->is_feed && empty( $query->query_vars['suppress_filters'] ) ) {
    $query->set('meta_query', array(
          'relation' => 'OR',
          array(
            'key'     => '_EventStartDate',
            'value'   => array(
              date('Y-m-d H:i:s', strtotime('now')),
              date('Y-m-d H:i:s', strtotime('+1 weeks'))),
            'compare' => 'BETWEEN',
            'type'    => 'DATETIME'
          ),
          array(
            'key'     => '_EventEndDate',
            'value'   => array(
              date('Y-m-d H:i:s', strtotime('now')),
              date('Y-m-d H:i:s', strtotime('+1 weeks'))),
            'compare' => 'BETWEEN',
            'type'    => 'DATETIME'
          )
        )
      );
  }

return $query;

}

?>