possible ai1ec bst/gmt fix

functions.php

<?php

	$query = "SELECT * FROM {$wpdb->posts} JOIN {$wpdb->prefix}ai1ec_events on ({$wpdb->prefix}ai1ec_events.post_id={$wpdb->posts}.ID)
        WHERE post_type='ai1ec_event' AND post_status='publish' AND {$wpdb->prefix}ai1ec_events.start > '".time()."' ORDER BY {$wpdb->prefix}ai1ec_events.start  limit 3";

	$results = $wpdb->get_results( $query ); // get result form the query
	ob_start();

	foreach($results as $result){
					$title = ($result->post_title); // Returns the post type title
				  $event_date = ($result->start); // Returns the date
				  $datetime = new Datetime();
				  $datetime->setTimezone($result->timezone_name);
				  $datetime->setTimestamp($result->start);
				  $datetime->setTime(0, 0, 0);

					$bstMonth = date('Y/03/d', strtotime('last sunday of march')); //set start of BST
					$gmtMonth = date('Y/10/d', strtotime('last sunday of october')); //set start of GMT
					$event_date_sanitized = $datetime->format('Y/m/d'); //format ai1ce date to match above date formates

					if($result->allday){ //check if allday
						if($event_date_sanitized >= $bstMonth && $event_date_sanitized <= $gmtMonth){ //check if gmt or bst...
							$datetime->modify('+1 day'); //add a day, due to the all day starting at 11pm the previous day
						} elseif($event_date_sanitized >= $gmtMonth) {
							$datetime->modify('+0 day'); //leave as is if GMT.
						}
					}
    ?>