diff --git a/functions.php b/functions.php
index 33c45ff..83de1b0 100644
--- a/functions.php
+++ b/functions.php
@@ -252,6 +252,36 @@ function init_category( $request ) {
 }
 add_filter( 'pre_get_posts', 'init_category' );
 
+/**
+ * Adds custom field 'subtitle' to RSS feed
+ *
+ * @param string $content Feed content to which the subtitle is added.
+ */
+function subtitle_rss_content( $content ) {
+	if ( the_field( 'subtitle' ) ) {
+		$content = '<h3>' . the_field( 'subtitle' ) . '</h3>' . $content;
+	}
+	return $content;
+}
+add_filter( 'the_excerpt_rss', 'subtitle_rss_content' );
+add_filter( 'the_content_feed', 'subtitle_rss_content' );
+
+/**
+ * Adds custom fields for events to RSS feed
+ *
+ * @param string $content Feed content to which the event date is added.
+ */
+function event_rss_content( $content ) {
+	$date = get_field( 'event_date', false, false );
+	$date = new DateTime( $date );
+	$new_date = $date->format( 'F j, Y' );
+	if ( get_field( 'event_date' ) ) {
+		$content = '<div>Event date: ' . $new_date . ' | ' . get_field( 'event_start_time' ) . ' - ' . get_field( 'event_end_time' ) . '</div><br>' . $content;
+	}
+	return $content;
+}
+add_filter( 'the_excerpt_rss', 'event_rss_content' );
+add_filter( 'the_content_feed', 'event_rss_content' );
 
 /**
  * Event RSS feed