The Events Calendar Filter for RSS Feed to Correct Pubdate

ecp-rss-filter

/*
* The Events Calendar Filter for RSS Feed to Correct Pubdate
* Modifys the first $zone check as UTC time 0 was registering as === false
*/

add_filter( 'get_post_time', 'events_rss2_gmt_pubdate_correction', 20 , 3 );

function events_rss2_gmt_pubdate_correction($time, $d, $gmt) {
	global $post;

	// Don't interfere if this is not the events feed
	if ( $post->post_type != TribeEvents::POSTTYPE || ! is_feed() || ! $gmt ) return $time;

	// Don't interfere if the timezone hasn't been set
	$zone = get_option( 'timezone_string', false );
	
	if ( !$zone ) {
		return $time;
	}
	// Get time and timezone
	$time = new DateTime( tribe_get_start_date( $post->ID, false, $d ) );
	$zone = new DateTimeZone($zone);

	// Apply timezone and calculate offset
	$time->setTimezone( $zone );
	$offset = $zone->getOffset( $time );
	$offset *= -2;

	// Apply correction
	$time->modify( "$offset seconds" );
	$time = $time->format( TribeDateUtils::DBDATETIMEFORMAT );
	$time = mysql2date( $d, $time );

	return $time;
}